Base | Representation |
---|---|
bin | 11100100011000… |
… | …01000101000001 |
3 | 121200121111010221 |
4 | 32101201011001 |
5 | 442301113321 |
6 | 35432423041 |
7 | 5635325620 |
oct | 1621410501 |
9 | 550544127 |
10 | 239472961 |
11 | 1131a3642 |
12 | 68247a81 |
13 | 3a7c7ca0 |
14 | 23b396b7 |
15 | 16054e41 |
hex | e461141 |
239472961 has 16 divisors (see below), whose sum is σ = 295360128. Its totient is φ = 189072000.
The previous prime is 239472869. The next prime is 239472967. The reversal of 239472961 is 169274932.
It is not a de Polignac number, because 239472961 - 27 = 239472833 is a prime.
It is not an unprimeable number, because it can be changed into a prime (239472967) 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, 44886 + ... + 49936.
It is an arithmetic number, because the mean of its divisors is an integer number (18460008).
Almost surely, 2239472961 is an apocalyptic number.
It is an amenable number.
239472961 is a deficient number, since it is larger than the sum of its proper divisors (55887167).
239472961 is a wasteful number, since it uses less digits than its factorization.
239472961 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5592.
The product of its digits is 163296, while the sum is 43.
The square root of 239472961 is about 15474.9139254472. The cubic root of 239472961 is about 620.9912698235.
The spelling of 239472961 in words is "two hundred thirty-nine million, four hundred seventy-two thousand, nine hundred sixty-one".
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