Base | Representation |
---|---|
bin | 110000110101… |
… | …000101110100 |
3 | 220002022210212 |
4 | 300311011310 |
5 | 11234102442 |
6 | 1134204552 |
7 | 213541604 |
oct | 60650564 |
9 | 26068725 |
10 | 12800372 |
11 | 7253122 |
12 | 4353758 |
13 | 28623b0 |
14 | 19b2c04 |
15 | 11cca82 |
hex | c35174 |
12800372 has 24 divisors (see below), whose sum is σ = 24779496. Its totient is φ = 5747328.
The previous prime is 12800353. The next prime is 12800387. The reversal of 12800372 is 27300821.
It can be written as a sum of positive squares in 4 ways, for example, as 155236 + 12645136 = 394^2 + 3556^2 .
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, 1403 + ... + 5250.
It is an arithmetic number, because the mean of its divisors is an integer number (1032479).
Almost surely, 212800372 is an apocalyptic number.
It is an amenable number.
12800372 is a deficient number, since it is larger than the sum of its proper divisors (11979124).
12800372 is a wasteful number, since it uses less digits than its factorization.
12800372 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6707 (or 6705 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 23.
The square root of 12800372 is about 3577.7607522024. The cubic root of 12800372 is about 233.9236851488.
The spelling of 12800372 in words is "twelve million, eight hundred thousand, three hundred seventy-two".
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