Search a number
-
+
307692424 = 231323912379
BaseRepresentation
bin10010010101110…
…000001110001000
3210102222101122201
4102111300032020
51112232124144
650310525544
710424225314
oct2225601610
9712871581
10307692424
11148758966
12870668b4
134b992230
142cc16b44
151c02d1d4
hex12570388

307692424 has 32 divisors (see below), whose sum is σ = 623952000. Its totient is φ = 141406272.

The previous prime is 307692419. The next prime is 307692443. The reversal of 307692424 is 424296703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18667 + ... + 31045.

It is an arithmetic number, because the mean of its divisors is an integer number (19498500).

Almost surely, 2307692424 is an apocalyptic number.

It is an amenable number.

307692424 is an abundant number, since it is smaller than the sum of its proper divisors (316259576).

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

307692424 is a wasteful number, since it uses less digits than its factorization.

307692424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12637 (or 12633 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 307692424 is about 17541.1637014196. The cubic root of 307692424 is about 675.1064662426.

The spelling of 307692424 in words is "three hundred seven million, six hundred ninety-two thousand, four hundred twenty-four".

Divisors: 1 2 4 8 13 26 52 104 239 478 956 1912 3107 6214 12379 12428 24758 24856 49516 99032 160927 321854 643708 1287416 2958581 5917162 11834324 23668648 38461553 76923106 153846212 307692424