Search a number
-
+
13628742 = 2323611619
BaseRepresentation
bin110011111111…
…010101000110
3221122102010020
4303333111012
511442104432
61204040010
7223561641
oct63772506
927572106
1013628742
117769526
124693006
132a9245a
141b4aa58
1512e322c
hexcff546

13628742 has 32 divisors (see below), whose sum is σ = 28926720. Its totient is φ = 4271520.

The previous prime is 13628737. The next prime is 13628743. The reversal of 13628742 is 24782631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13628743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7609 + ... + 9227.

It is an arithmetic number, because the mean of its divisors is an integer number (903960).

Almost surely, 213628742 is an apocalyptic number.

13628742 is an abundant number, since it is smaller than the sum of its proper divisors (15297978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13628742 is a wasteful number, since it uses less digits than its factorization.

13628742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708.

The product of its digits is 16128, while the sum is 33.

The square root of 13628742 is about 3691.7126106998. The cubic root of 13628742 is about 238.8646724887.

The spelling of 13628742 in words is "thirteen million, six hundred twenty-eight thousand, seven hundred forty-two".

Divisors: 1 2 3 6 23 46 61 69 122 138 183 366 1403 1619 2806 3238 4209 4857 8418 9714 37237 74474 98759 111711 197518 223422 296277 592554 2271457 4542914 6814371 13628742