Base | Representation |
---|---|
bin | 110010100010… |
… | …111000011000 |
3 | 220221011200102 |
4 | 302202320120 |
5 | 11343000242 |
6 | 1151554532 |
7 | 220423643 |
oct | 62427030 |
9 | 26834612 |
10 | 13250072 |
11 | 752aa80 |
12 | 452ba48 |
13 | 298bca4 |
14 | 1a8ca5a |
15 | 126ae32 |
hex | ca2e18 |
13250072 has 48 divisors (see below), whose sum is σ = 28845720. Its totient is φ = 5657600.
The previous prime is 13250009. The next prime is 13250101. The reversal of 13250072 is 27005231.
It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25172 + ... + 25692.
Almost surely, 213250072 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13250072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14422860).
13250072 is an abundant number, since it is smaller than the sum of its proper divisors (15595648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13250072 is a wasteful number, since it uses less digits than its factorization.
13250072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 572 (or 551 counting only the distinct ones).
The product of its (nonzero) digits is 420, while the sum is 20.
The square root of 13250072 is about 3640.0648345874. The cubic root of 13250072 is about 236.6316031723.
The spelling of 13250072 in words is "thirteen million, two hundred fifty thousand, seventy-two".
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