Search a number
-
+
312613836 = 22352349811
BaseRepresentation
bin10010101000100…
…001101111001100
3210210020102120020
4102220201233030
51120012120321
651004222140
710514113413
oct2250415714
9723212506
10312613836
1115050a447
128883a950
134c9c6302
142d73847a
151c6a14c6
hex12a21bcc

312613836 has 24 divisors (see below), whose sum is σ = 730841664. Its totient is φ = 104003280.

The previous prime is 312613793. The next prime is 312613841. The reversal of 312613836 is 638316213.

It is a junction number, because it is equal to n+sod(n) for n = 312613797 and 312613806.

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 7 ways as a sum of consecutive naturals, for example, 18630 + ... + 31181.

It is an arithmetic number, because the mean of its divisors is an integer number (30451736).

Almost surely, 2312613836 is an apocalyptic number.

It is an amenable number.

312613836 is an abundant number, since it is smaller than the sum of its proper divisors (418227828).

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

312613836 is a wasteful number, since it uses less digits than its factorization.

312613836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50341 (or 50339 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 312613836 is about 17680.8890047984. The cubic root of 312613836 is about 678.6867937304.

The spelling of 312613836 in words is "three hundred twelve million, six hundred thirteen thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 12 523 1046 1569 2092 3138 6276 49811 99622 149433 199244 298866 597732 26051153 52102306 78153459 104204612 156306918 312613836