Base | Representation |
---|---|
bin | 1101010101110… |
… | …0001111001011 |
3 | 10220021200011120 |
4 | 3111130033023 |
5 | 103310433311 |
6 | 5315130323 |
7 | 1246405221 |
oct | 325341713 |
9 | 126250146 |
10 | 55952331 |
11 | 296468a6 |
12 | 168a39a3 |
13 | b7907b6 |
14 | 7606b11 |
15 | 4da3706 |
hex | 355c3cb |
55952331 has 32 divisors (see below), whose sum is σ = 79833600. Its totient is φ = 34809600.
The previous prime is 55952317. The next prime is 55952341. The reversal of 55952331 is 13325955.
55952331 is a nontrivial binomial coefficient, being equal to C(10579, 2).
It is not a de Polignac number, because 55952331 - 210 = 55951307 is a prime.
It is a super-2 number, since 2×559523312 = 6261326688667122, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 55952292 and 55952301.
It is not an unprimeable number, because it can be changed into a prime (55952341) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 375445 + ... + 375593.
It is an arithmetic number, because the mean of its divisors is an integer number (2494800).
Almost surely, 255952331 is an apocalyptic number.
55952331 is the 10578-th triangular number.
55952331 is a deficient number, since it is larger than the sum of its proper divisors (23881269).
55952331 is a wasteful number, since it uses less digits than its factorization.
55952331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 307.
The product of its digits is 20250, while the sum is 33.
The square root of 55952331 is about 7480.1290764264. The cubic root of 55952331 is about 382.4776491703.
The spelling of 55952331 in words is "fifty-five million, nine hundred fifty-two thousand, three hundred thirty-one".
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