Base | Representation |
---|---|
bin | 101101100101… |
… | …0010000010001 |
3 | 1122222002122222 |
4 | 1123022100101 |
5 | 22104201410 |
6 | 2212110425 |
7 | 410056601 |
oct | 133122021 |
9 | 48862588 |
10 | 23897105 |
11 | 12542281 |
12 | 8005415 |
13 | 4c491cb |
14 | 3260c01 |
15 | 2170955 |
hex | 16ca411 |
23897105 has 16 divisors (see below), whose sum is σ = 29376000. Its totient is φ = 18657600.
The previous prime is 23897099. The next prime is 23897119. The reversal of 23897105 is 50179832.
It is not a de Polignac number, because 23897105 - 24 = 23897089 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39596 + ... + 40194.
It is an arithmetic number, because the mean of its divisors is an integer number (1836000).
Almost surely, 223897105 is an apocalyptic number.
It is an amenable number.
23897105 is a deficient number, since it is larger than the sum of its proper divisors (5478895).
23897105 is a wasteful number, since it uses less digits than its factorization.
23897105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 784.
The product of its (nonzero) digits is 15120, while the sum is 35.
The square root of 23897105 is about 4888.4665284729. The cubic root of 23897105 is about 288.0371005767.
The spelling of 23897105 in words is "twenty-three million, eight hundred ninety-seven thousand, one hundred five".
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