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63056513 = 134850501
BaseRepresentation
bin1111000010001…
…0101010000001
311101122121021102
43300202222001
5112120302023
610131304145
71363654142
oct360425201
9141577242
1063056513
1132659323
121914b055
13100aa260
148535ac9
155808628
hex3c22a81

63056513 has 4 divisors (see below), whose sum is σ = 67907028. Its totient is φ = 58206000.

The previous prime is 63056507. The next prime is 63056531. The reversal of 63056513 is 31565036.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27331984 + 35724529 = 5228^2 + 5977^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-63056513 is a prime.

It is a super-2 number, since 2×630565132 = 7952247663438338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63056503) 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, 2425238 + ... + 2425263.

It is an arithmetic number, because the mean of its divisors is an integer number (16976757).

Almost surely, 263056513 is an apocalyptic number.

It is an amenable number.

63056513 is a deficient number, since it is larger than the sum of its proper divisors (4850515).

63056513 is a wasteful number, since it uses less digits than its factorization.

63056513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4850514.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 63056513 is about 7940.8131195741. The cubic root of 63056513 is about 398.0246632528.

The spelling of 63056513 in words is "sixty-three million, fifty-six thousand, five hundred thirteen".

Divisors: 1 13 4850501 63056513