Search a number
-
+
69136842 = 2383138829
BaseRepresentation
bin1000001111011…
…11000111001010
311211002111220210
410013233013022
5120144334332
610505501550
71466440065
oct407570712
9154074823
1069136842
1136031595
121b1a18b6
1311428998
1492798dc
156109ecc
hex41ef1ca

69136842 has 16 divisors (see below), whose sum is σ = 139940640. Its totient is φ = 22767792.

The previous prime is 69136829. The next prime is 69136867. The reversal of 69136842 is 24863196.

It is a self number, because there is not a number n which added to its sum of digits gives 69136842.

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, 68917 + ... + 69912.

It is an arithmetic number, because the mean of its divisors is an integer number (8746290).

Almost surely, 269136842 is an apocalyptic number.

69136842 is an abundant number, since it is smaller than the sum of its proper divisors (70803798).

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

69136842 is a wasteful number, since it uses less digits than its factorization.

69136842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138917.

The product of its digits is 62208, while the sum is 39.

The square root of 69136842 is about 8314.8567035157. The cubic root of 69136842 is about 410.4275571516.

The spelling of 69136842 in words is "sixty-nine million, one hundred thirty-six thousand, eight hundred forty-two".

Divisors: 1 2 3 6 83 166 249 498 138829 277658 416487 832974 11522807 23045614 34568421 69136842