Base | Representation |
---|---|
bin | 110100010111… |
… | …0011000110100 |
3 | 1220122202102001 |
4 | 1220232120310 |
5 | 24011443410 |
6 | 2420225044 |
7 | 452226562 |
oct | 150563064 |
9 | 56582361 |
10 | 27452980 |
11 | 14550915 |
12 | 923b184 |
13 | 58c2889 |
14 | 3908a32 |
15 | 262433a |
hex | 1a2e634 |
27452980 has 24 divisors (see below), whose sum is σ = 59512320. Its totient is φ = 10626720.
The previous prime is 27452969. The next prime is 27452983. The reversal of 27452980 is 8925472.
It is a super-2 number, since 2×274529802 = 1507332221760800, which contains 22 as substring.
It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27452983) 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, 21520 + ... + 22759.
It is an arithmetic number, because the mean of its divisors is an integer number (2479680).
Almost surely, 227452980 is an apocalyptic number.
27452980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
27452980 is an abundant number, since it is smaller than the sum of its proper divisors (32059340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27452980 is a wasteful number, since it uses less digits than its factorization.
27452980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44319 (or 44317 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 37.
The square root of 27452980 is about 5239.5591417599. The cubic root of 27452980 is about 301.6684078869.
The spelling of 27452980 in words is "twenty-seven million, four hundred fifty-two thousand, nine hundred eighty".
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