Base | Representation |
---|---|
bin | 101101011010… |
… | …0100000111001 |
3 | 1122210120111220 |
4 | 1122310200321 |
5 | 22043324212 |
6 | 2210142253 |
7 | 406236150 |
oct | 132644071 |
9 | 48716456 |
10 | 23808057 |
11 | 12491389 |
12 | 7b81989 |
13 | 4c17810 |
14 | 323a597 |
15 | 215438c |
hex | 16b4839 |
23808057 has 32 divisors (see below), whose sum is σ = 40142592. Its totient is φ = 12213504.
The previous prime is 23808049. The next prime is 23808067. The reversal of 23808057 is 75080832.
It is not a de Polignac number, because 23808057 - 23 = 23808049 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23808047) 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, 8923 + ... + 11279.
It is an arithmetic number, because the mean of its divisors is an integer number (1254456).
Almost surely, 223808057 is an apocalyptic number.
It is an amenable number.
23808057 is a deficient number, since it is larger than the sum of its proper divisors (16334535).
23808057 is a wasteful number, since it uses less digits than its factorization.
23808057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2417.
The product of its (nonzero) digits is 13440, while the sum is 33.
The square root of 23808057 is about 4879.3500591780. The cubic root of 23808057 is about 287.6788835080.
Adding to 23808057 its reverse (75080832), we get a palindrome (98888889).
The spelling of 23808057 in words is "twenty-three million, eight hundred eight thousand, fifty-seven".
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