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165252472 = 23711268267
BaseRepresentation
bin10011101100110…
…00110101111000
3102111221200202221
421312120311320
5314301034342
624221533424
74044423430
oct1166306570
9374850687
10165252472
118530a6a0
1247414274
132830c438
1417d392c0
15e793a67
hex9d98d78

165252472 has 32 divisors (see below), whose sum is σ = 386305920. Its totient is φ = 64383840.

The previous prime is 165252467. The next prime is 165252491. The reversal of 165252472 is 274252561.

It is a super-2 number, since 2×1652524722 = 54616759004221568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133518 + ... + 134749.

It is an arithmetic number, because the mean of its divisors is an integer number (12072060).

Almost surely, 2165252472 is an apocalyptic number.

It is an amenable number.

165252472 is an abundant number, since it is smaller than the sum of its proper divisors (221053448).

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

165252472 is a wasteful number, since it uses less digits than its factorization.

165252472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268291 (or 268287 counting only the distinct ones).

The product of its digits is 33600, while the sum is 34.

The square root of 165252472 is about 12855.0562814793. The cubic root of 165252472 is about 548.7602621908.

The spelling of 165252472 in words is "one hundred sixty-five million, two hundred fifty-two thousand, four hundred seventy-two".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 308 616 268267 536534 1073068 1877869 2146136 2950937 3755738 5901874 7511476 11803748 15022952 20656559 23607496 41313118 82626236 165252472