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136474720 = 2551944893
BaseRepresentation
bin10000010001001…
…11000001100000
3100111210122010021
420020213001200
5234414142340
621313043224
73245005324
oct1010470140
9314718107
10136474720
1170044528
1239856514
1322374895
14141a7984
15beabe4a
hex8227060

136474720 has 48 divisors (see below), whose sum is σ = 339398640. Its totient is φ = 51715584.

The previous prime is 136474703. The next prime is 136474721. The reversal of 136474720 is 27474631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136474721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19407 + ... + 25486.

It is an arithmetic number, because the mean of its divisors is an integer number (7070805).

Almost surely, 2136474720 is an apocalyptic number.

136474720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136474720 is an abundant number, since it is smaller than the sum of its proper divisors (202923920).

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

136474720 is a wasteful number, since it uses less digits than its factorization.

136474720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44927 (or 44919 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 136474720 is about 11682.2395113266. The cubic root of 136474720 is about 514.8539756294.

The spelling of 136474720 in words is "one hundred thirty-six million, four hundred seventy-four thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 19 20 32 38 40 76 80 95 152 160 190 304 380 608 760 1520 3040 44893 89786 179572 224465 359144 448930 718288 852967 897860 1436576 1705934 1795720 3411868 3591440 4264835 6823736 7182880 8529670 13647472 17059340 27294944 34118680 68237360 136474720