Base | Representation |
---|---|
bin | 11100101100000011101010 |
3 | 112011002011200 |
4 | 130230003222 |
5 | 3411123430 |
6 | 425105030 |
7 | 120631425 |
oct | 34540352 |
9 | 15132150 |
10 | 7520490 |
11 | 427728a |
12 | 2628176 |
13 | 17340c3 |
14 | dda9bc |
15 | 9d8460 |
hex | 72c0ea |
7520490 has 24 divisors (see below), whose sum is σ = 19553508. Its totient is φ = 2005440.
The previous prime is 7520479. The next prime is 7520501. The reversal of 7520490 is 940257.
It is an interprime number because it is at equal distance from previous prime (7520479) and next prime (7520501).
It can be written as a sum of positive squares in 2 ways, for example, as 7080921 + 439569 = 2661^2 + 663^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41691 + ... + 41870.
Almost surely, 27520490 is an apocalyptic number.
7520490 is an abundant number, since it is smaller than the sum of its proper divisors (12033018).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7520490 is a wasteful number, since it uses less digits than its factorization.
7520490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83574 (or 83571 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 27.
The square root of 7520490 is about 2742.3511810124. The cubic root of 7520490 is about 195.9214769450.
The spelling of 7520490 in words is "seven million, five hundred twenty thousand, four hundred ninety".
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