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136764460 = 22577113759
BaseRepresentation
bin10000010011011…
…01110000101100
3100112100100120101
420021231300230
5240002430320
621323200444
73250323130
oct1011556054
9315310511
10136764460
1170222188
1239976124
1322446721
14142413c0
15c017c0a
hex826dc2c

136764460 has 48 divisors (see below), whose sum is σ = 332881920. Its totient is φ = 46226880.

The previous prime is 136764457. The next prime is 136764461. The reversal of 136764460 is 64467631.

It is not an unprimeable number, because it can be changed into a prime (136764461) 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, 3061 + ... + 16819.

It is an arithmetic number, because the mean of its divisors is an integer number (6935040).

Almost surely, 2136764460 is an apocalyptic number.

136764460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136764460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166440960).

136764460 is an abundant number, since it is smaller than the sum of its proper divisors (196117460).

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

136764460 is a wasteful number, since it uses less digits than its factorization.

136764460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13846 (or 13844 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 136764460 is about 11694.6338121379. The cubic root of 136764460 is about 515.2180683307.

The spelling of 136764460 in words is "one hundred thirty-six million, seven hundred sixty-four thousand, four hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 71 140 142 284 355 497 710 994 1420 1988 2485 4970 9940 13759 27518 55036 68795 96313 137590 192626 275180 385252 481565 963130 976889 1926260 1953778 3907556 4884445 6838223 9768890 13676446 19537780 27352892 34191115 68382230 136764460