Base | Representation |
---|---|
bin | 101101000111… |
… | …0001001010101 |
3 | 1122111120221022 |
4 | 1122032021111 |
5 | 22023312101 |
6 | 2202530525 |
7 | 405013031 |
oct | 132161125 |
9 | 48446838 |
10 | 23650901 |
11 | 123942aa |
12 | 7b06a45 |
13 | 4b91121 |
14 | 31d91c1 |
15 | 2122a1b |
hex | 168e255 |
23650901 has 2 divisors, whose sum is σ = 23650902. Its totient is φ = 23650900.
The previous prime is 23650889. The next prime is 23650909. The reversal of 23650901 is 10905632.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 17648401 + 6002500 = 4201^2 + 2450^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-23650901 is a prime.
It is a super-2 number, since 2×236509012 = 1118730236223602, which contains 22 as substring.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23650909) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11825450 + 11825451.
It is an arithmetic number, because the mean of its divisors is an integer number (11825451).
Almost surely, 223650901 is an apocalyptic number.
23650901 is the 2600-th centered heptagonal number.
It is an amenable number.
23650901 is a deficient number, since it is larger than the sum of its proper divisors (1).
23650901 is an equidigital number, since it uses as much as digits as its factorization.
23650901 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1620, while the sum is 26.
The square root of 23650901 is about 4863.2192013110. The cubic root of 23650901 is about 287.0445001352.
The spelling of 23650901 in words is "twenty-three million, six hundred fifty thousand, nine hundred one".
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