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136879748 = 2277344269
BaseRepresentation
bin10000010100010…
…01111010000100
3100112120012201022
420022021322010
5240020122443
621325450312
73251313215
oct1012117204
9315505638
10136879748
11702a0865
1239a10998
1322487045
141427140c
15c03be68
hex8289e84

136879748 has 12 divisors (see below), whose sum is σ = 239854860. Its totient is φ = 68349792.

The previous prime is 136879747. The next prime is 136879751. The reversal of 136879748 is 847978631.

136879748 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 77404804 + 59474944 = 8798^2 + 7712^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 136879748.

It is not an unprimeable number, because it can be changed into a prime (136879741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19043 + ... + 25226.

It is an arithmetic number, because the mean of its divisors is an integer number (19987905).

Almost surely, 2136879748 is an apocalyptic number.

It is an amenable number.

136879748 is a deficient number, since it is larger than the sum of its proper divisors (102975112).

136879748 is a wasteful number, since it uses less digits than its factorization.

136879748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45046 (or 45044 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 53.

The square root of 136879748 is about 11699.5618721386. The cubic root of 136879748 is about 515.3627983728.

The spelling of 136879748 in words is "one hundred thirty-six million, eight hundred seventy-nine thousand, seven hundred forty-eight".

Divisors: 1 2 4 773 1546 3092 44269 88538 177076 34219937 68439874 136879748