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122009384 = 2372178739
BaseRepresentation
bin1110100010110…
…11011100101000
322111120201102002
413101123130220
5222213300014
620035030132
73011030330
oct721333450
9274521362
10122009384
1162964502
1234a3b348
131c37b703
14122c00c0
15aaa0dde
hex745b728

122009384 has 16 divisors (see below), whose sum is σ = 261448800. Its totient is φ = 52289712.

The previous prime is 122009369. The next prime is 122009401. The reversal of 122009384 is 483900221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1089314 + ... + 1089425.

It is an arithmetic number, because the mean of its divisors is an integer number (16340550).

Almost surely, 2122009384 is an apocalyptic number.

122009384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

122009384 is an abundant number, since it is smaller than the sum of its proper divisors (139439416).

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

122009384 is a wasteful number, since it uses less digits than its factorization.

122009384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178752 (or 2178748 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 122009384 is about 11045.7858027394. The cubic root of 122009384 is about 495.9802823414.

The spelling of 122009384 in words is "one hundred twenty-two million, nine thousand, three hundred eighty-four".

Divisors: 1 2 4 7 8 14 28 56 2178739 4357478 8714956 15251173 17429912 30502346 61004692 122009384