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312894 = 23217383
BaseRepresentation
bin1001100011000111110
3120220012200
41030120332
540003034
610412330
72442141
oct1143076
9526180
10312894
111a409a
121310a6
13ac55a
1482058
1562a99
hex4c63e

312894 has 12 divisors (see below), whose sum is σ = 677976. Its totient is φ = 104292.

The previous prime is 312887. The next prime is 312899. The reversal of 312894 is 498213.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 312894.

It is not an unprimeable number, because it can be changed into a prime (312899) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8674 + ... + 8709.

It is an arithmetic number, because the mean of its divisors is an integer number (56498).

2312894 is an apocalyptic number.

312894 is an abundant number, since it is smaller than the sum of its proper divisors (365082).

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

312894 is a wasteful number, since it uses less digits than its factorization.

312894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17391 (or 17388 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 312894 is about 559.3692876803. The cubic root of 312894 is about 67.8889479186. Note that the first 3 decimals are identical.

The spelling of 312894 in words is "three hundred twelve thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 9 18 17383 34766 52149 104298 156447 312894