Base | Representation |
---|---|
bin | 101101100100… |
… | …1110101011101 |
3 | 1122222000022102 |
4 | 1123021311131 |
5 | 22104123024 |
6 | 2212054445 |
7 | 410051600 |
oct | 133116535 |
9 | 48860272 |
10 | 23895389 |
11 | 12540a61 |
12 | 8004425 |
13 | 4c484ab |
14 | 3260337 |
15 | 21701ae |
hex | 16c9d5d |
23895389 has 12 divisors (see below), whose sum is σ = 28695168. Its totient is φ = 19819800.
The previous prime is 23895383. The next prime is 23895419. The reversal of 23895389 is 98359832.
It is not a de Polignac number, because 23895389 - 24 = 23895373 is a prime.
It is a super-2 number, since 2×238953892 = 1141979230922642, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23895383) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6347 + ... + 9384.
It is an arithmetic number, because the mean of its divisors is an integer number (2391264).
Almost surely, 223895389 is an apocalyptic number.
It is an amenable number.
23895389 is a deficient number, since it is larger than the sum of its proper divisors (4799779).
23895389 is a wasteful number, since it uses less digits than its factorization.
23895389 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15776 (or 15769 counting only the distinct ones).
The product of its digits is 466560, while the sum is 47.
The square root of 23895389 is about 4888.2910101589. The cubic root of 23895389 is about 288.0302059689.
The spelling of 23895389 in words is "twenty-three million, eight hundred ninety-five thousand, three hundred eighty-nine".
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