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136353770 = 25721716369
BaseRepresentation
bin10000010000010…
…01011111101010
3100111120111012122
420020021133222
5234401310040
621310311242
73243662600
oct1010113752
9314514178
10136353770
116aa71673
12397b8522
1322331807
1414175870
15be861b5
hex82097ea

136353770 has 48 divisors (see below), whose sum is σ = 302321160. Its totient is φ = 43997184.

The previous prime is 136353761. The next prime is 136353781. The reversal of 136353770 is 77353631.

It can be written as a sum of positive squares in 4 ways, for example, as 114554209 + 21799561 = 10703^2 + 4669^2 .

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 136353770.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146 + ... + 16514.

Almost surely, 2136353770 is an apocalyptic number.

136353770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136353770 is an abundant number, since it is smaller than the sum of its proper divisors (165967390).

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

136353770 is a wasteful number, since it uses less digits than its factorization.

136353770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16407 (or 16400 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 35.

The square root of 136353770 is about 11677.0617023291. The cubic root of 136353770 is about 514.7018351368.

The spelling of 136353770 in words is "one hundred thirty-six million, three hundred fifty-three thousand, seven hundred seventy".

Divisors: 1 2 5 7 10 14 17 34 35 49 70 85 98 119 170 238 245 490 595 833 1190 1666 4165 8330 16369 32738 81845 114583 163690 229166 278273 556546 572915 802081 1145830 1391365 1604162 1947911 2782730 3895822 4010405 8020810 9739555 13635377 19479110 27270754 68176885 136353770