Base | Representation |
---|---|
bin | 101101101100… |
… | …0100000011000 |
3 | 1200002001202000 |
4 | 1123120200120 |
5 | 22113033410 |
6 | 2213241000 |
7 | 410422023 |
oct | 133304030 |
9 | 50061660 |
10 | 23955480 |
11 | 1258211a |
12 | 8033160 |
13 | 4c69953 |
14 | 32781ba |
15 | 2182dc0 |
hex | 16d8818 |
23955480 has 128 divisors (see below), whose sum is σ = 81950400. Its totient is φ = 6220800.
The previous prime is 23955457. The next prime is 23955511. The reversal of 23955480 is 8455932.
23955480 is a `hidden beast` number, since 23 + 9 + 554 + 80 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44010 + ... + 44550.
Almost surely, 223955480 is an apocalyptic number.
23955480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23955480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40975200).
23955480 is an abundant number, since it is smaller than the sum of its proper divisors (57994920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23955480 is a wasteful number, since it uses less digits than its factorization.
23955480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 602 (or 592 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 36.
The square root of 23955480 is about 4894.4335729479. The cubic root of 23955480 is about 288.2714454660.
It can be divided in two parts, 2395 and 5480, that added together give a triangular number (7875 = T125).
The spelling of 23955480 in words is "twenty-three million, nine hundred fifty-five thousand, four hundred eighty".
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