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122452140 = 22355934591
BaseRepresentation
bin1110100110001…
…11100010101100
322112102012202110
413103013202230
5222321432030
620052324020
73014553216
oct723074254
9275365673
10122452140
1163137118
1235013610
131c4a50b5
14123975b6
15ab3c1b0
hex74c78ac

122452140 has 48 divisors (see below), whose sum is σ = 348687360. Its totient is φ = 32099520.

The previous prime is 122452103. The next prime is 122452219. The reversal of 122452140 is 41254221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13756 + ... + 20835.

It is an arithmetic number, because the mean of its divisors is an integer number (7264320).

Almost surely, 2122452140 is an apocalyptic number.

122452140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122452140 is an abundant number, since it is smaller than the sum of its proper divisors (226235220).

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

122452140 is a wasteful number, since it uses less digits than its factorization.

122452140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34662 (or 34660 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 122452140 is about 11065.8095049571. The cubic root of 122452140 is about 496.5795071493.

The spelling of 122452140 in words is "one hundred twenty-two million, four hundred fifty-two thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 59 60 118 177 236 295 354 590 708 885 1180 1770 3540 34591 69182 103773 138364 172955 207546 345910 415092 518865 691820 1037730 2040869 2075460 4081738 6122607 8163476 10204345 12245214 20408690 24490428 30613035 40817380 61226070 122452140