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312422424 = 23313199371
BaseRepresentation
bin10010100111110…
…011000000011000
3210202212200222220
4102213303000120
51114440004144
651000144040
710512355356
oct2247630030
9722780886
10312422424
11150399656
1288768020
134c95a152
142d6c87d6
151c664919
hex129f3018

312422424 has 32 divisors (see below), whose sum is σ = 787026240. Its totient is φ = 103344800.

The previous prime is 312422401. The next prime is 312422437. The reversal of 312422424 is 424224213.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 312422394 and 312422403.

It is a congruent number.

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, 46542 + ... + 52829.

It is an arithmetic number, because the mean of its divisors is an integer number (24594570).

Almost surely, 2312422424 is an apocalyptic number.

It is an amenable number.

312422424 is an abundant number, since it is smaller than the sum of its proper divisors (474603816).

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

312422424 is a wasteful number, since it uses less digits than its factorization.

312422424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99511 (or 99507 counting only the distinct ones).

The product of its digits is 3072, while the sum is 24.

The square root of 312422424 is about 17675.4752128479. The cubic root of 312422424 is about 678.5482465253.

Adding to 312422424 its reverse (424224213), we get a palindrome (736646637).

The spelling of 312422424 in words is "three hundred twelve million, four hundred twenty-two thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 131 262 393 524 786 1048 1572 3144 99371 198742 298113 397484 596226 794968 1192452 2384904 13017601 26035202 39052803 52070404 78105606 104140808 156211212 312422424