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119972531 = 7223106453
BaseRepresentation
bin1110010011010…
…10001010110011
322100202020101002
413021222022303
5221203110111
615523232215
72654515100
oct711521263
9270666332
10119972531
11617a3158
123421866b
131bb17583
1411d0daa7
15a7ec63b
hex726a2b3

119972531 has 12 divisors (see below), whose sum is σ = 145629072. Its totient is φ = 98361648.

The previous prime is 119972527. The next prime is 119972533. The reversal of 119972531 is 135279911.

It is not a de Polignac number, because 119972531 - 22 = 119972527 is a prime.

It is a super-2 number, since 2×1199725312 = 28786816389091922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (119972533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52100 + ... + 54353.

It is an arithmetic number, because the mean of its divisors is an integer number (12135756).

Almost surely, 2119972531 is an apocalyptic number.

119972531 is a deficient number, since it is larger than the sum of its proper divisors (25656541).

119972531 is a wasteful number, since it uses less digits than its factorization.

119972531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106490 (or 106483 counting only the distinct ones).

The product of its digits is 17010, while the sum is 38.

The square root of 119972531 is about 10953.1972957671. The cubic root of 119972531 is about 493.2047762276.

The spelling of 119972531 in words is "one hundred nineteen million, nine hundred seventy-two thousand, five hundred thirty-one".

Divisors: 1 7 23 49 161 1127 106453 745171 2448419 5216197 17138933 119972531