Base | Representation |
---|---|
bin | 101100001001… |
… | …0010011111000 |
3 | 1121112211011001 |
4 | 1120102103320 |
5 | 21411044142 |
6 | 2144014344 |
7 | 400501156 |
oct | 130222370 |
9 | 47484131 |
10 | 23143672 |
11 | 12078202 |
12 | 79013b4 |
13 | 4a442a6 |
14 | 31063d6 |
15 | 20725b7 |
hex | 16124f8 |
23143672 has 32 divisors (see below), whose sum is σ = 46137600. Its totient is φ = 10852704.
The previous prime is 23143667. The next prime is 23143697. The reversal of 23143672 is 27634132.
It is a self number, because there is not a number n which added to its sum of digits gives 23143672.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15553 + ... + 16975.
It is an arithmetic number, because the mean of its divisors is an integer number (1441800).
Almost surely, 223143672 is an apocalyptic number.
It is an amenable number.
23143672 is a deficient number, since it is larger than the sum of its proper divisors (22993928).
23143672 is a wasteful number, since it uses less digits than its factorization.
23143672 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1555 (or 1551 counting only the distinct ones).
The product of its digits is 6048, while the sum is 28.
The square root of 23143672 is about 4810.7870457961. The cubic root of 23143672 is about 284.9776200750.
The spelling of 23143672 in words is "twenty-three million, one hundred forty-three thousand, six hundred seventy-two".
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