Base | Representation |
---|---|
bin | 10010001100100… |
… | …01100111100000 |
3 | 101122012220200011 |
4 | 21012101213200 |
5 | 303033434333 |
6 | 23051334304 |
7 | 3532263325 |
oct | 1106214740 |
9 | 348186604 |
10 | 152639968 |
11 | 79185738 |
12 | 43151394 |
13 | 25814710 |
14 | 163b4b4c |
15 | d6019cd |
hex | 91919e0 |
152639968 has 24 divisors (see below), whose sum is σ = 323626968. Its totient is φ = 70449024.
The previous prime is 152639959. The next prime is 152640013. The reversal of 152639968 is 869936251.
152639968 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183046 + ... + 183877.
It is an arithmetic number, because the mean of its divisors is an integer number (13484457).
Almost surely, 2152639968 is an apocalyptic number.
It is an amenable number.
152639968 is an abundant number, since it is smaller than the sum of its proper divisors (170987000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
152639968 is a wasteful number, since it uses less digits than its factorization.
152639968 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 366946 (or 366938 counting only the distinct ones).
The product of its digits is 699840, while the sum is 49.
The square root of 152639968 is about 12354.7548741365. The cubic root of 152639968 is about 534.4282686111.
The spelling of 152639968 in words is "one hundred fifty-two million, six hundred thirty-nine thousand, nine hundred sixty-eight".
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