Base | Representation |
---|---|
bin | 10010001100000… |
… | …10100001110100 |
3 | 101122002202220010 |
4 | 21012002201310 |
5 | 303030000124 |
6 | 23050140220 |
7 | 3531615204 |
oct | 1106024164 |
9 | 348082803 |
10 | 152578164 |
11 | 79143262 |
12 | 43121670 |
13 | 257c254b |
14 | 1639a404 |
15 | d5dd529 |
hex | 9182874 |
152578164 has 24 divisors (see below), whose sum is σ = 368292960. Its totient is φ = 49105504.
The previous prime is 152578081. The next prime is 152578169. The reversal of 152578164 is 461875251.
It is a super-2 number, since 2×1525781642 = 46560192259221792, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (152578169) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218874 + ... + 219569.
It is an arithmetic number, because the mean of its divisors is an integer number (15345540).
Almost surely, 2152578164 is an apocalyptic number.
It is an amenable number.
152578164 is an abundant number, since it is smaller than the sum of its proper divisors (215714796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
152578164 is a wasteful number, since it uses less digits than its factorization.
152578164 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 438479 (or 438477 counting only the distinct ones).
The product of its digits is 67200, while the sum is 39.
The square root of 152578164 is about 12352.2533976599. The cubic root of 152578164 is about 534.3561287820.
The spelling of 152578164 in words is "one hundred fifty-two million, five hundred seventy-eight thousand, one hundred sixty-four".
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