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7130056 = 232973421
BaseRepresentation
bin11011001100101111001000
3111102020121011
4123030233020
53311130211
6412453304
7114414223
oct33145710
914366534
107130056
11402aa0a
12247a234
13162848b
14d385ba
1595c921
hex6ccbc8

7130056 has 32 divisors (see below), whose sum is σ = 14052600. Its totient is φ = 3386880.

The previous prime is 7130051. The next prime is 7130063. The reversal of 7130056 is 6500317.

It can be written as a sum of positive squares in 4 ways, for example, as 4137156 + 2992900 = 2034^2 + 1730^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7130051) 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, 16726 + ... + 17146.

Almost surely, 27130056 is an apocalyptic number.

It is an amenable number.

7130056 is a deficient number, since it is larger than the sum of its proper divisors (6922544).

7130056 is a wasteful number, since it uses less digits than its factorization.

7130056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 7130056 is about 2670.2164706256. The cubic root of 7130056 is about 192.4705616421.

The spelling of 7130056 in words is "seven million, one hundred thirty thousand, fifty-six".

Divisors: 1 2 4 8 29 58 73 116 146 232 292 421 584 842 1684 2117 3368 4234 8468 12209 16936 24418 30733 48836 61466 97672 122932 245864 891257 1782514 3565028 7130056