Base | Representation |
---|---|
bin | 110011111000… |
… | …0000000110100 |
3 | 1220011202221112 |
4 | 1213300000310 |
5 | 23430304432 |
6 | 2410534152 |
7 | 450113660 |
oct | 147600064 |
9 | 56152845 |
10 | 27197492 |
11 | 14396973 |
12 | 9137358 |
13 | 58334ba |
14 | 387d8a0 |
15 | 25c37b2 |
hex | 19f0034 |
27197492 has 12 divisors (see below), whose sum is σ = 54395040. Its totient is φ = 11656056.
The previous prime is 27197491. The next prime is 27197557. The reversal of 27197492 is 29479172.
27197492 is an admirable number.
It is a hoax number, since the sum of its digits (41) 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 (27197491) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485642 + ... + 485697.
It is an arithmetic number, because the mean of its divisors is an integer number (4532920).
Almost surely, 227197492 is an apocalyptic number.
It is an amenable number.
27197492 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27197492 is a wasteful number, since it uses less digits than its factorization.
27197492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 971350 (or 971348 counting only the distinct ones).
The product of its digits is 63504, while the sum is 41.
The square root of 27197492 is about 5215.1214750953. The cubic root of 27197492 is about 300.7296756577.
The spelling of 27197492 in words is "twenty-seven million, one hundred ninety-seven thousand, four hundred ninety-two".
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