Base | Representation |
---|---|
bin | 10010100111100… |
… | …001110110011000 |
3 | 210202202010121020 |
4 | 102213201312120 |
5 | 1114430232102 |
6 | 50554442440 |
7 | 10511643450 |
oct | 2247416630 |
9 | 722663536 |
10 | 312352152 |
11 | 150350882 |
12 | 88733420 |
13 | 4c934178 |
14 | 2d6aad60 |
15 | 1c64dbbc |
hex | 129e1d98 |
312352152 has 64 divisors (see below), whose sum is σ = 944939520. Its totient is φ = 83993088.
The previous prime is 312352151. The next prime is 312352171. The reversal of 312352152 is 251253213.
It is a happy number.
It is a super-2 number, since 2×3123521522 = 195127733718062208, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312352151) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51828 + ... + 57539.
It is an arithmetic number, because the mean of its divisors is an integer number (14764680).
Almost surely, 2312352152 is an apocalyptic number.
It is an amenable number.
312352152 is an abundant number, since it is smaller than the sum of its proper divisors (632587368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312352152 is a wasteful number, since it uses less digits than its factorization.
312352152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109400 (or 109396 counting only the distinct ones).
The product of its digits is 1800, while the sum is 24.
The square root of 312352152 is about 17673.4872619978. The cubic root of 312352152 is about 678.4973682760.
The spelling of 312352152 in words is "three hundred twelve million, three hundred fifty-two thousand, one hundred fifty-two".
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