Base | Representation |
---|---|
bin | 101111111101… |
… | …100100001100 |
3 | 212122202211110 |
4 | 233331210030 |
5 | 11204313230 |
6 | 1125252020 |
7 | 211603542 |
oct | 57754414 |
9 | 25582743 |
10 | 12572940 |
11 | 7108266 |
12 | 4264010 |
13 | 27b2a13 |
14 | 1953d92 |
15 | 11854b0 |
hex | bfd90c |
12572940 has 24 divisors (see below), whose sum is σ = 35204400. Its totient is φ = 3352768.
The previous prime is 12572909. The next prime is 12572969. The reversal of 12572940 is 4927521.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 12572898 and 12572907.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104715 + ... + 104834.
It is an arithmetic number, because the mean of its divisors is an integer number (1466850).
Almost surely, 212572940 is an apocalyptic number.
12572940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12572940 is an abundant number, since it is smaller than the sum of its proper divisors (22631460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12572940 is a wasteful number, since it uses less digits than its factorization.
12572940 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 209561 (or 209559 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 30.
The square root of 12572940 is about 3545.8341754797. The cubic root of 12572940 is about 232.5299764795.
The spelling of 12572940 in words is "twelve million, five hundred seventy-two thousand, nine hundred forty".
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