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10055513 = 13773501
BaseRepresentation
bin100110010110…
…111101011001
3200220212120102
4212112331121
510033234023
6555305145
7151320236
oct46267531
920825512
1010055513
115748946
12344b1b5
132110c10
14149a78d
15d39628
hex996f59

10055513 has 4 divisors (see below), whose sum is σ = 10829028. Its totient is φ = 9282000.

The previous prime is 10055497. The next prime is 10055519. The reversal of 10055513 is 31555001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31555001 = 47671383.

It can be written as a sum of positive squares in 2 ways, for example, as 795664 + 9259849 = 892^2 + 3043^2 .

It is not a de Polignac number, because 10055513 - 24 = 10055497 is a prime.

It is a super-2 number, since 2×100555132 = 202226683386338, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10055519) 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, 386738 + ... + 386763.

It is an arithmetic number, because the mean of its divisors is an integer number (2707257).

Almost surely, 210055513 is an apocalyptic number.

10055513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

10055513 is a deficient number, since it is larger than the sum of its proper divisors (773515).

10055513 is an equidigital number, since it uses as much as digits as its factorization.

10055513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773514.

The product of its (nonzero) digits is 375, while the sum is 20.

The square root of 10055513 is about 3171.0428883886. The cubic root of 10055513 is about 215.8413973457.

The spelling of 10055513 in words is "ten million, fifty-five thousand, five hundred thirteen".

Divisors: 1 13 773501 10055513