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136300720 = 2454393881
BaseRepresentation
bin10000001111111…
…00100010110000
3100111110210102211
420013330202300
5234343110340
621305221504
73243352123
oct1007744260
9314423384
10136300720
116aa35826
1239791894
132231361a
14141603ba
15be755ea
hex81fc8b0

136300720 has 40 divisors (see below), whose sum is σ = 317702880. Its totient is φ = 54382080.

The previous prime is 136300693. The next prime is 136300727. The reversal of 136300720 is 27003631.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 136300691 and 136300700.

It is not an unprimeable number, because it can be changed into a prime (136300727) 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, 33180 + ... + 37060.

It is an arithmetic number, because the mean of its divisors is an integer number (7942572).

Almost surely, 2136300720 is an apocalyptic number.

136300720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136300720 is an abundant number, since it is smaller than the sum of its proper divisors (181402160).

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

136300720 is a wasteful number, since it uses less digits than its factorization.

136300720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4333 (or 4327 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 136300720 is about 11674.7899338703. The cubic root of 136300720 is about 514.6350762585.

The spelling of 136300720 in words is "one hundred thirty-six million, three hundred thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 439 878 1756 2195 3512 3881 4390 7024 7762 8780 15524 17560 19405 31048 35120 38810 62096 77620 155240 310480 1703759 3407518 6815036 8518795 13630072 17037590 27260144 34075180 68150360 136300720