Base | Representation |
---|---|
bin | 1100011110001… |
… | …0011111110101 |
3 | 10122102112000202 |
4 | 3013202133311 |
5 | 101342323312 |
6 | 5105050245 |
7 | 1203416222 |
oct | 307423765 |
9 | 118375022 |
10 | 52307957 |
11 | 27587819 |
12 | 15626985 |
13 | aab5a70 |
14 | 6d38949 |
15 | 48d39c2 |
hex | 31e27f5 |
52307957 has 8 divisors (see below), whose sum is σ = 58781184. Its totient is φ = 46184688.
The previous prime is 52307947. The next prime is 52307971. The reversal of 52307957 is 75970325.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 52307957 - 214 = 52291573 is a prime.
It is a super-2 number, since 2×523079572 = 5472244731027698, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 52307957.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52307947) 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, 87173 + ... + 87770.
It is an arithmetic number, because the mean of its divisors is an integer number (7347648).
Almost surely, 252307957 is an apocalyptic number.
It is an amenable number.
52307957 is a deficient number, since it is larger than the sum of its proper divisors (6473227).
52307957 is a wasteful number, since it uses less digits than its factorization.
52307957 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 174979.
The product of its (nonzero) digits is 66150, while the sum is 38.
The square root of 52307957 is about 7232.4240058227. The cubic root of 52307957 is about 373.9864946938.
The spelling of 52307957 in words is "fifty-two million, three hundred seven thousand, nine hundred fifty-seven".
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