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122242032 = 243211229337
BaseRepresentation
bin1110100100101…
…00001111110000
322112000112112200
413102110033300
5222243221112
620044023200
73013016523
oct722241760
9275015480
10122242032
1163003280
1234b31b00
131c430583
1412340bba
15aae9cdc
hex74943f0

122242032 has 120 divisors (see below), whose sum is σ = 375950640. Its totient is φ = 36771840.

The previous prime is 122242031. The next prime is 122242051. The reversal of 122242032 is 230242221.

It is a super-2 number, since 2×1222420322 = 29886228774978048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 122241996 and 122242014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122242031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 362568 + ... + 362904.

It is an arithmetic number, because the mean of its divisors is an integer number (3132922).

Almost surely, 2122242032 is an apocalyptic number.

122242032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122242032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187975320).

122242032 is an abundant number, since it is smaller than the sum of its proper divisors (253708608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122242032 is a wasteful number, since it uses less digits than its factorization.

122242032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 122242032 is about 11056.3118624612. The cubic root of 122242032 is about 496.2953279366.

Adding to 122242032 its reverse (230242221), we get a palindrome (352484253).

The spelling of 122242032 in words is "one hundred twenty-two million, two hundred forty-two thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 33 36 44 48 66 72 88 99 132 144 176 198 229 264 337 396 458 528 674 687 792 916 1011 1348 1374 1584 1832 2022 2061 2519 2696 2748 3033 3664 3707 4044 4122 5038 5392 5496 6066 7414 7557 8088 8244 10076 10992 11121 12132 14828 15114 16176 16488 20152 22242 22671 24264 29656 30228 32976 33363 40304 44484 45342 48528 59312 60456 66726 77173 88968 90684 120912 133452 154346 177936 181368 231519 266904 308692 362736 463038 533808 617384 694557 848903 926076 1234768 1389114 1697806 1852152 2546709 2778228 3395612 3704304 5093418 5556456 6791224 7640127 10186836 11112912 13582448 15280254 20373672 30560508 40747344 61121016 122242032