Search a number
-
+
136922874 = 231121511249
BaseRepresentation
bin10000010100101…
…00011011111010
3100112122101212120
420022110123322
5240023012444
621330422110
73251553024
oct1012243372
9315571776
10136922874
1170320200
1239a31936
13224a086a
1414283014
15c049b19
hex82946fa

136922874 has 48 divisors (see below), whose sum is σ = 303240000. Its totient is φ = 41184000.

The previous prime is 136922867. The next prime is 136922897. The reversal of 136922874 is 478229631.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109002 + ... + 110250.

It is an arithmetic number, because the mean of its divisors is an integer number (6317500).

Almost surely, 2136922874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136922874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151620000).

136922874 is an abundant number, since it is smaller than the sum of its proper divisors (166317126).

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

136922874 is a wasteful number, since it uses less digits than its factorization.

136922874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427 (or 1416 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 136922874 is about 11701.4047874604. The cubic root of 136922874 is about 515.4169169272.

The spelling of 136922874 in words is "one hundred thirty-six million, nine hundred twenty-two thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 11 22 33 66 121 151 242 302 363 453 726 906 1249 1661 2498 3322 3747 4983 7494 9966 13739 18271 27478 36542 41217 54813 82434 109626 151129 188599 302258 377198 453387 565797 906774 1131594 2074589 4149178 6223767 12447534 22820479 45640958 68461437 136922874