Base | Representation |
---|---|
bin | 101110101111… |
… | …010101001010 |
3 | 212001111020221 |
4 | 232233111022 |
5 | 11114034430 |
6 | 1114340254 |
7 | 206100355 |
oct | 56572512 |
9 | 25044227 |
10 | 12252490 |
11 | 6a09528 |
12 | 412a68a |
13 | 26ccbc3 |
14 | 18ad29c |
15 | 112057a |
hex | baf54a |
12252490 has 16 divisors (see below), whose sum is σ = 22112640. Its totient is φ = 4888080.
The previous prime is 12252469. The next prime is 12252497. The reversal of 12252490 is 9425221.
It is a super-2 number, since 2×122524902 = 300247022400200, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12252497) 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, 2995 + ... + 5785.
It is an arithmetic number, because the mean of its divisors is an integer number (1382040).
Almost surely, 212252490 is an apocalyptic number.
12252490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12252490 is a deficient number, since it is larger than the sum of its proper divisors (9860150).
12252490 is a wasteful number, since it uses less digits than its factorization.
12252490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3237.
The product of its (nonzero) digits is 1440, while the sum is 25.
The square root of 12252490 is about 3500.3556962115. The cubic root of 12252490 is about 230.5374325738.
The spelling of 12252490 in words is "twelve million, two hundred fifty-two thousand, four hundred ninety".
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