Base | Representation |
---|---|
bin | 110010100111… |
… | …110100001111 |
3 | 220222012102010 |
4 | 302213310033 |
5 | 11344122122 |
6 | 1152232303 |
7 | 220536612 |
oct | 62476417 |
9 | 26865363 |
10 | 13270287 |
11 | 7544188 |
12 | 453b693 |
13 | 2998254 |
14 | 1a96179 |
15 | 1271e0c |
hex | ca7d0f |
13270287 has 8 divisors (see below), whose sum is σ = 18463104. Its totient is φ = 8462168.
The previous prime is 13270277. The next prime is 13270291. The reversal of 13270287 is 78207231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13270287 - 215 = 13237519 is a prime.
It is a super-2 number, since 2×132702872 = 352201034124738, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13270207) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96093 + ... + 96230.
It is an arithmetic number, because the mean of its divisors is an integer number (2307888).
Almost surely, 213270287 is an apocalyptic number.
13270287 is a deficient number, since it is larger than the sum of its proper divisors (5192817).
13270287 is a wasteful number, since it uses less digits than its factorization.
13270287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 192349.
The product of its (nonzero) digits is 4704, while the sum is 30.
The square root of 13270287 is about 3642.8405125671. The cubic root of 13270287 is about 236.7518811920.
The spelling of 13270287 in words is "thirteen million, two hundred seventy thousand, two hundred eighty-seven".
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