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312847942 = 21114220361
BaseRepresentation
bin10010101001011…
…010111001000110
3210210200022200211
4102221122321012
51120042113232
651013230034
710516110061
oct2251327106
9723608624
10312847942
1115065a320
128893231a
134ca78a34
142d7998d8
151c6eaa47
hex12a5ae46

312847942 has 8 divisors (see below), whose sum is σ = 511933032. Its totient is φ = 142203600.

The previous prime is 312847903. The next prime is 312847943. The reversal of 312847942 is 249748213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 312847895 and 312847904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312847943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7110159 + ... + 7110202.

It is an arithmetic number, because the mean of its divisors is an integer number (63991629).

Almost surely, 2312847942 is an apocalyptic number.

312847942 is a deficient number, since it is larger than the sum of its proper divisors (199085090).

312847942 is a wasteful number, since it uses less digits than its factorization.

312847942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14220374.

The product of its digits is 96768, while the sum is 40.

The square root of 312847942 is about 17687.5080777367. The cubic root of 312847942 is about 678.8561667050.

The spelling of 312847942 in words is "three hundred twelve million, eight hundred forty-seven thousand, nine hundred forty-two".

Divisors: 1 2 11 22 14220361 28440722 156423971 312847942