Search a number
-
+
136305474 = 2343152709
BaseRepresentation
bin10000001111111…
…01101101000010
3100111111000221220
420013331231002
5234343233344
621305255510
73243402024
oct1007755502
9314430856
10136305474
116aa39358
1239794596
1322315836
1414162014
15be76c19
hex81fdb42

136305474 has 16 divisors (see below), whose sum is σ = 273248640. Its totient is φ = 45328880.

The previous prime is 136305461. The next prime is 136305497. The reversal of 136305474 is 474503631.

136305474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23769 + ... + 28940.

It is an arithmetic number, because the mean of its divisors is an integer number (17078040).

Almost surely, 2136305474 is an apocalyptic number.

136305474 is an abundant number, since it is smaller than the sum of its proper divisors (136943166).

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

136305474 is a wasteful number, since it uses less digits than its factorization.

136305474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53145.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 136305474 is about 11674.9935331888. The cubic root of 136305474 is about 514.6410594666.

The spelling of 136305474 in words is "one hundred thirty-six million, three hundred five thousand, four hundred seventy-four".

Divisors: 1 2 3 6 431 862 1293 2586 52709 105418 158127 316254 22717579 45435158 68152737 136305474