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136738400 = 2552592897
BaseRepresentation
bin10000010011001…
…11011001100000
3100112022000211012
420021213121200
5240001112100
621322440052
73250154141
oct1011473140
9315260735
10136738400
1170204647
1239963028
13224378c6
1414235ac8
15c010135
hex8267660

136738400 has 72 divisors (see below), whose sum is σ = 339587640. Its totient is φ = 53749760.

The previous prime is 136738397. The next prime is 136738423. The reversal of 136738400 is 4837631.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45752 + ... + 48648.

It is an arithmetic number, because the mean of its divisors is an integer number (4716495).

Almost surely, 2136738400 is an apocalyptic number.

136738400 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 136738400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169793820).

136738400 is an abundant number, since it is smaller than the sum of its proper divisors (202849240).

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

136738400 is a wasteful number, since it uses less digits than its factorization.

136738400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2976 (or 2963 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 136738400 is about 11693.5195728232. The cubic root of 136738400 is about 515.1853419051.

The spelling of 136738400 in words is "one hundred thirty-six million, seven hundred thirty-eight thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 59 80 100 118 160 200 236 295 400 472 590 800 944 1180 1475 1888 2360 2897 2950 4720 5794 5900 9440 11588 11800 14485 23176 23600 28970 46352 47200 57940 72425 92704 115880 144850 170923 231760 289700 341846 463520 579400 683692 854615 1158800 1367384 1709230 2317600 2734768 3418460 4273075 5469536 6836920 8546150 13673840 17092300 27347680 34184600 68369200 136738400