Base | Representation |
---|---|
bin | 110001011010… |
… | …010101011000 |
3 | 220101002001210 |
4 | 301122111120 |
5 | 11303443140 |
6 | 1141343120 |
7 | 215045421 |
oct | 61322530 |
9 | 26332053 |
10 | 12952920 |
11 | 73477a2 |
12 | 4407aa0 |
13 | 28b6966 |
14 | 1a12648 |
15 | 120cd80 |
hex | c5a558 |
12952920 has 32 divisors (see below), whose sum is σ = 38859120. Its totient is φ = 3454080.
The previous prime is 12952853. The next prime is 12952921. The reversal of 12952920 is 2925921.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12952921) by changing a digit.
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, 53851 + ... + 54090.
Almost surely, 212952920 is an apocalyptic number.
12952920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12952920 is an abundant number, since it is smaller than the sum of its proper divisors (25906200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12952920 is a wasteful number, since it uses less digits than its factorization.
12952920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107955 (or 107951 counting only the distinct ones).
The product of its (nonzero) digits is 3240, while the sum is 30.
The square root of 12952920 is about 3599.0165323321. The cubic root of 12952920 is about 234.8492771249.
The spelling of 12952920 in words is "twelve million, nine hundred fifty-two thousand, nine hundred twenty".
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