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136577480 = 23513262649
BaseRepresentation
bin10000010010000…
…00000111001000
3100111222212002012
420021000013020
5234430434410
621315155052
73245614034
oct1011000710
9314885065
10136577480
1170104756
12398a5a88
13223ac5a0
14141d31c4
15becc605
hex82401c8

136577480 has 32 divisors (see below), whose sum is σ = 330939000. Its totient is φ = 50428416.

The previous prime is 136577447. The next prime is 136577489. The reversal of 136577480 is 84775631.

It can be written as a sum of positive squares in 4 ways, for example, as 100120036 + 36457444 = 10006^2 + 6038^2 .

It is not an unprimeable number, because it can be changed into a prime (136577489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130805 + ... + 131844.

Almost surely, 2136577480 is an apocalyptic number.

136577480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136577480 is an abundant number, since it is smaller than the sum of its proper divisors (194361520).

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

136577480 is a wasteful number, since it uses less digits than its factorization.

136577480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262673 (or 262669 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 136577480 is about 11686.6368130442. The cubic root of 136577480 is about 514.9831646867.

The spelling of 136577480 in words is "one hundred thirty-six million, five hundred seventy-seven thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 262649 525298 1050596 1313245 2101192 2626490 3414437 5252980 6828874 10505960 13657748 17072185 27315496 34144370 68288740 136577480