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313243424 = 25131939631
BaseRepresentation
bin10010101010111…
…011011100100000
3210211102102012022
4102222323130200
51120142242144
651025521012
710522345064
oct2252733440
9724372168
10313243424
111508aa46a
1288aa3168
134cb86a50
142d85daa4
151c777cee
hex12abb720

313243424 has 48 divisors (see below), whose sum is σ = 699108480. Its totient is φ = 136961280.

The previous prime is 313243423. The next prime is 313243501. The reversal of 313243424 is 424342313.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 313243393 and 313243402.

It is not an unprimeable number, because it can be changed into a prime (313243423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11912 + ... + 27719.

It is an arithmetic number, because the mean of its divisors is an integer number (14564760).

Almost surely, 2313243424 is an apocalyptic number.

It is an amenable number.

313243424 is an abundant number, since it is smaller than the sum of its proper divisors (385865056).

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

313243424 is a wasteful number, since it uses less digits than its factorization.

313243424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39673 (or 39665 counting only the distinct ones).

The product of its digits is 6912, while the sum is 26.

The square root of 313243424 is about 17698.6842448810. The cubic root of 313243424 is about 679.1421015082.

Adding to 313243424 its reverse (424342313), we get a palindrome (737585737).

The spelling of 313243424 in words is "three hundred thirteen million, two hundred forty-three thousand, four hundred twenty-four".

Divisors: 1 2 4 8 13 16 19 26 32 38 52 76 104 152 208 247 304 416 494 608 988 1976 3952 7904 39631 79262 158524 317048 515203 634096 752989 1030406 1268192 1505978 2060812 3011956 4121624 6023912 8243248 9788857 12047824 16486496 19577714 24095648 39155428 78310856 156621712 313243424