Base | Representation |
---|---|
bin | 11110010001001000011010 |
3 | 112221010002000 |
4 | 132101020122 |
5 | 4012400430 |
6 | 442021430 |
7 | 124304424 |
oct | 36211032 |
9 | 15833060 |
10 | 7934490 |
11 | 452a333 |
12 | 27a7876 |
13 | 184a685 |
14 | 10a7814 |
15 | a6ae60 |
hex | 79121a |
7934490 has 32 divisors (see below), whose sum is σ = 21159360. Its totient is φ = 2115792.
The previous prime is 7934483. The next prime is 7934491. The reversal of 7934490 is 944397.
It is a super-2 number, since 2×79344902 = 125912263120200, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (7934491) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14424 + ... + 14963.
It is an arithmetic number, because the mean of its divisors is an integer number (661230).
Almost surely, 27934490 is an apocalyptic number.
7934490 is an abundant number, since it is smaller than the sum of its proper divisors (13224870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7934490 is a wasteful number, since it uses less digits than its factorization.
7934490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29403 (or 29397 counting only the distinct ones).
The product of its (nonzero) digits is 27216, while the sum is 36.
The square root of 7934490 is about 2816.8226781251. The cubic root of 7934490 is about 199.4525863920.
The spelling of 7934490 in words is "seven million, nine hundred thirty-four thousand, four hundred ninety".
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