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152072728 = 23159711903
BaseRepresentation
bin10010001000001…
…11001000011000
3101121011002120021
421010013020120
5302412311403
623031240224
73524411503
oct1104071030
9347132507
10152072728
1178928545
1242b19074
1325676482
14162a813a
15d53d8bd
hex9107218

152072728 has 16 divisors (see below), whose sum is σ = 285338880. Its totient is φ = 75982368.

The previous prime is 152072719. The next prime is 152072729. The reversal of 152072728 is 827270251.

It is a super-2 number, since 2×1520727282 = 46252229202723968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 152072693 and 152072702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152072729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6825 + ... + 18727.

It is an arithmetic number, because the mean of its divisors is an integer number (17833680).

Almost surely, 2152072728 is an apocalyptic number.

It is an amenable number.

152072728 is a deficient number, since it is larger than the sum of its proper divisors (133266152).

152072728 is a wasteful number, since it uses less digits than its factorization.

152072728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13506 (or 13502 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 152072728 is about 12331.7771630856. Note that the first 3 decimals coincide. The cubic root of 152072728 is about 533.7654335037.

The spelling of 152072728 in words is "one hundred fifty-two million, seventy-two thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 1597 3194 6388 11903 12776 23806 47612 95224 19009091 38018182 76036364 152072728