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312194424 = 23313008101
BaseRepresentation
bin10010100110111…
…011010101111000
3210202110010020110
4102212323111320
51114410210144
650551224320
710510415553
oct2246732570
9722403213
10312194424
11150253323
12886780a0
134c8aa439
142d66969a
151c61c0b9
hex129bb578

312194424 has 16 divisors (see below), whose sum is σ = 780486120. Its totient is φ = 104064800.

The previous prime is 312194369. The next prime is 312194471. The reversal of 312194424 is 424491213.

It is a junction number, because it is equal to n+sod(n) for n = 312194391 and 312194400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6504027 + ... + 6504074.

Almost surely, 2312194424 is an apocalyptic number.

It is an amenable number.

312194424 is an abundant number, since it is smaller than the sum of its proper divisors (468291696).

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

312194424 is a wasteful number, since it uses less digits than its factorization.

312194424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13008110 (or 13008106 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 312194424 is about 17669.0244212860. The cubic root of 312194424 is about 678.3831424459.

The spelling of 312194424 in words is "three hundred twelve million, one hundred ninety-four thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 13008101 26016202 39024303 52032404 78048606 104064808 156097212 312194424