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136830270 = 2354561009
BaseRepresentation
bin10000010011111…
…01110100111110
3100112110200211210
420021331310332
5240012032040
621324425250
73251016033
oct1011756476
9315420753
10136830270
1170267675
12399a8226
132246a675
141425b38a
15c02c480
hex827dd3e

136830270 has 16 divisors (see below), whose sum is σ = 328392720. Its totient is φ = 36488064.

The previous prime is 136830223. The next prime is 136830283. The reversal of 136830270 is 72038631.

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: 4561009 = 136830270 / (1 + 3 + 6 + 8 + 3 + 0 + 2 + 7 + 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, 2280475 + ... + 2280534.

It is an arithmetic number, because the mean of its divisors is an integer number (20524545).

Almost surely, 2136830270 is an apocalyptic number.

136830270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136830270 is an abundant number, since it is smaller than the sum of its proper divisors (191562450).

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

136830270 is a wasteful number, since it uses less digits than its factorization.

136830270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4561019.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 136830270 is about 11697.4471573929. The cubic root of 136830270 is about 515.3006947284.

The spelling of 136830270 in words is "one hundred thirty-six million, eight hundred thirty thousand, two hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 4561009 9122018 13683027 22805045 27366054 45610090 68415135 136830270