Base | Representation |
---|---|
bin | 101111111100… |
… | …110110011000 |
3 | 212122121210212 |
4 | 233330312120 |
5 | 11204220013 |
6 | 1125230252 |
7 | 211562153 |
oct | 57746630 |
9 | 25577725 |
10 | 12570008 |
11 | 7106040 |
12 | 4262388 |
13 | 27b1599 |
14 | 1952c9a |
15 | 11846a8 |
hex | bfcd98 |
12570008 has 16 divisors (see below), whose sum is σ = 25711560. Its totient is φ = 5713600.
The previous prime is 12569971. The next prime is 12570031. The reversal of 12570008 is 80007521.
It is a super-2 number, since 2×125700082 = 316010202240128, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71333 + ... + 71508.
Almost surely, 212570008 is an apocalyptic number.
It is an amenable number.
12570008 is an abundant number, since it is smaller than the sum of its proper divisors (13141552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12570008 is a wasteful number, since it uses less digits than its factorization.
12570008 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 142858 (or 142854 counting only the distinct ones).
The product of its (nonzero) digits is 560, while the sum is 23.
The square root of 12570008 is about 3545.4207084632. The cubic root of 12570008 is about 232.5118998033.
Adding to 12570008 its reverse (80007521), we get a palindrome (92577529).
The spelling of 12570008 in words is "twelve million, five hundred seventy thousand, eight".
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