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613138 = 21132713
BaseRepresentation
bin10010101101100010010
31011011001211
42111230102
5124110023
621050334
75132401
oct2255422
91134054
10613138
11389729
122569aa
13186106
1411d638
15c1a0d
hex95b12

613138 has 8 divisors (see below), whose sum is σ = 928188. Its totient is φ = 303744.

The previous prime is 613099. The next prime is 613141. The reversal of 613138 is 831316.

It can be written as a sum of positive squares in 2 ways, for example, as 613089 + 49 = 783^2 + 7^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1131 + ... + 1582.

2613138 is an apocalyptic number.

613138 is a deficient number, since it is larger than the sum of its proper divisors (315050).

613138 is a wasteful number, since it uses less digits than its factorization.

613138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828.

The product of its digits is 432, while the sum is 22.

The square root of 613138 is about 783.0312892854. The cubic root of 613138 is about 84.9544392512.

The spelling of 613138 in words is "six hundred thirteen thousand, one hundred thirty-eight".

Divisors: 1 2 113 226 2713 5426 306569 613138