Base | Representation |
---|---|
bin | 110001000110… |
… | …101000010010 |
3 | 220012222100112 |
4 | 301012220102 |
5 | 11243402320 |
6 | 1135521322 |
7 | 214261211 |
oct | 61065022 |
9 | 26188315 |
10 | 12872210 |
11 | 72a209a |
12 | 4389242 |
13 | 2888cc0 |
14 | 19d1078 |
15 | 11e3ec5 |
hex | c46a12 |
12872210 has 16 divisors (see below), whose sum is σ = 24952536. Its totient is φ = 4752768.
The previous prime is 12872183. The next prime is 12872227. The reversal of 12872210 is 1227821.
It can be written as a sum of positive squares in 4 ways, for example, as 3243601 + 9628609 = 1801^2 + 3103^2 .
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, 49379 + ... + 49638.
Almost surely, 212872210 is an apocalyptic number.
12872210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12872210 is a deficient number, since it is larger than the sum of its proper divisors (12080326).
12872210 is a wasteful number, since it uses less digits than its factorization.
12872210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 99037.
The product of its (nonzero) digits is 448, while the sum is 23.
The square root of 12872210 is about 3587.7862255157. The cubic root of 12872210 is about 234.3604763741.
The spelling of 12872210 in words is "twelve million, eight hundred seventy-two thousand, two hundred ten".
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