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152161372 = 22112476689
BaseRepresentation
bin10010001000111…
…00110001011100
3101121022121011101
421010130301130
5302423130442
623033202444
73525231106
oct1104346134
9347277141
10152161372
1178989100
1242b60424
13256a791c
14162cc576
15d559cb7
hex911cc5c

152161372 has 36 divisors (see below), whose sum is σ = 298962720. Its totient is φ = 67682560.

The previous prime is 152161369. The next prime is 152161381. The reversal of 152161372 is 273161251.

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 152161372.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19404 + ... + 26092.

It is an arithmetic number, because the mean of its divisors is an integer number (8304520).

Almost surely, 2152161372 is an apocalyptic number.

It is an amenable number.

152161372 is a deficient number, since it is larger than the sum of its proper divisors (146801348).

152161372 is a wasteful number, since it uses less digits than its factorization.

152161372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6762 (or 6749 counting only the distinct ones).

The product of its digits is 2520, while the sum is 28.

The square root of 152161372 is about 12335.3707686474. The cubic root of 152161372 is about 533.8691249266.

The spelling of 152161372 in words is "one hundred fifty-two million, one hundred sixty-one thousand, three hundred seventy-two".

Divisors: 1 2 4 11 22 44 47 94 121 188 242 484 517 1034 2068 5687 6689 11374 13378 22748 26756 73579 147158 294316 314383 628766 809369 1257532 1618738 3237476 3458213 6916426 13832852 38040343 76080686 152161372