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152752638 = 2325458773
BaseRepresentation
bin10010001101011…
…01000111111110
3101122102122020010
421012231013332
5303101041023
623054004050
73533242653
oct1106550776
9348378203
10152752638
1179252355
12431a6626
1325853a9c
1416403c2a
15d625093
hex91ad1fe

152752638 has 8 divisors (see below), whose sum is σ = 305505288. Its totient is φ = 50917544.

The previous prime is 152752603. The next prime is 152752643. The reversal of 152752638 is 836257251.

152752638 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

152752638 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 152752596 and 152752605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12729381 + ... + 12729392.

It is an arithmetic number, because the mean of its divisors is an integer number (38188161).

Almost surely, 2152752638 is an apocalyptic number.

152752638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

152752638 is a wasteful number, since it uses less digits than its factorization.

152752638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25458778.

The product of its digits is 100800, while the sum is 39.

The square root of 152752638 is about 12359.3138159042. The cubic root of 152752638 is about 534.5597309543.

The spelling of 152752638 in words is "one hundred fifty-two million, seven hundred fifty-two thousand, six hundred thirty-eight".

Divisors: 1 2 3 6 25458773 50917546 76376319 152752638