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152640704 = 264158171
BaseRepresentation
bin10010001100100…
…01110011000000
3101122012221200102
421012101303000
5303034000304
623051341532
73532265426
oct1106216300
9348187612
10152640704
1179186247
12431518a8
1325814b58
14163b5116
15d601d1e
hex9191cc0

152640704 has 28 divisors (see below), whose sum is σ = 310289448. Its totient is φ = 74457600.

The previous prime is 152640703. The next prime is 152640713. The reversal of 152640704 is 407046251.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (152640701) 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, 26462 + ... + 31709.

It is an arithmetic number, because the mean of its divisors is an integer number (11081766).

Almost surely, 2152640704 is an apocalyptic number.

It is an amenable number.

152640704 is an abundant number, since it is smaller than the sum of its proper divisors (157648744).

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

152640704 is an equidigital number, since it uses as much as digits as its factorization.

152640704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58224 (or 58214 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 152640704 is about 12354.7846602035. The cubic root of 152640704 is about 534.4291275792.

Adding to 152640704 its reverse (407046251), we get a palindrome (559686955).

The spelling of 152640704 in words is "one hundred fifty-two million, six hundred forty thousand, seven hundred four".

Divisors: 1 2 4 8 16 32 41 64 82 164 328 656 1312 2624 58171 116342 232684 465368 930736 1861472 2385011 3722944 4770022 9540044 19080088 38160176 76320352 152640704