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136245630 = 2354541521
BaseRepresentation
bin10000001111011…
…11000101111110
3100111100222212110
420013233011332
5234334330010
621304114450
73243032403
oct1007570576
9314328773
10136245630
116a9a83a4
1239765a26
13222c4521
14141482aa
15be64120
hex81ef17e

136245630 has 16 divisors (see below), whose sum is σ = 326989584. Its totient is φ = 36332160.

The previous prime is 136245623. The next prime is 136245643. The reversal of 136245630 is 36542631.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 4541521 = 136245630 / (1 + 3 + 6 + 2 + 4 + 5 + 6 + 3 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2270731 + ... + 2270790.

It is an arithmetic number, because the mean of its divisors is an integer number (20436849).

Almost surely, 2136245630 is an apocalyptic number.

136245630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136245630 is an abundant number, since it is smaller than the sum of its proper divisors (190743954).

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

136245630 is a wasteful number, since it uses less digits than its factorization.

136245630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4541531.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 136245630 is about 11672.4303381944. The cubic root of 136245630 is about 514.5657318782.

The spelling of 136245630 in words is "one hundred thirty-six million, two hundred forty-five thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 4541521 9083042 13624563 22707605 27249126 45415210 68122815 136245630