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122028270 = 23571344699
BaseRepresentation
bin1110100011000…
…00000011101110
322111121200022120
413101200003232
5222214401040
620035253410
73011136360
oct721400356
9274550276
10122028270
1162977711
1234a4a266
131c3871a0
14122c6d30
15aaa67d0
hex74600ee

122028270 has 64 divisors (see below), whose sum is σ = 360460800. Its totient is φ = 25746048.

The previous prime is 122028253. The next prime is 122028293. The reversal of 122028270 is 72820221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 122028270.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19620 + ... + 25079.

It is an arithmetic number, because the mean of its divisors is an integer number (5632200).

Almost surely, 2122028270 is an apocalyptic number.

122028270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122028270 is an abundant number, since it is smaller than the sum of its proper divisors (238432530).

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

122028270 is a wasteful number, since it uses less digits than its factorization.

122028270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44729.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 122028270 is about 11046.6406658314. The cubic root of 122028270 is about 496.0058721773.

Adding to 122028270 its reverse (72820221), we get a palindrome (194848491).

The spelling of 122028270 in words is "one hundred twenty-two million, twenty-eight thousand, two hundred seventy".

Divisors: 1 2 3 5 6 7 10 13 14 15 21 26 30 35 39 42 65 70 78 91 105 130 182 195 210 273 390 455 546 910 1365 2730 44699 89398 134097 223495 268194 312893 446990 581087 625786 670485 938679 1162174 1340970 1564465 1743261 1877358 2905435 3128930 3486522 4067609 4693395 5810870 8135218 8716305 9386790 12202827 17432610 20338045 24405654 40676090 61014135 122028270