Base | Representation |
---|---|
bin | 11100100100101111010001 |
3 | 112002120001102 |
4 | 130210233101 |
5 | 3404144023 |
6 | 424314145 |
7 | 120445142 |
oct | 34445721 |
9 | 15076042 |
10 | 7490513 |
11 | 4256808 |
12 | 2612955 |
13 | 1723574 |
14 | dcdac9 |
15 | 9ce628 |
hex | 724bd1 |
7490513 has 2 divisors, whose sum is σ = 7490514. Its totient is φ = 7490512.
The previous prime is 7490491. The next prime is 7490537. The reversal of 7490513 is 3150947.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 6091024 + 1399489 = 2468^2 + 1183^2 .
It is an emirp because it is prime and its reverse (3150947) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 7490513 - 28 = 7490257 is a prime.
It is a super-2 number, since 2×74905132 = 112215570006338, which contains 22 as substring.
It is equal to p507683 and since 7490513 and 507683 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (7490573) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3745256 + 3745257.
It is an arithmetic number, because the mean of its divisors is an integer number (3745257).
Almost surely, 27490513 is an apocalyptic number.
It is an amenable number.
7490513 is a deficient number, since it is larger than the sum of its proper divisors (1).
7490513 is an equidigital number, since it uses as much as digits as its factorization.
7490513 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3780, while the sum is 29.
The square root of 7490513 is about 2736.8801581363. The cubic root of 7490513 is about 195.6608131243.
The spelling of 7490513 in words is "seven million, four hundred ninety thousand, five hundred thirteen".
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