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315894 = 231719163
BaseRepresentation
bin1001101000111110110
3121001022210
41031013312
540102034
610434250
72453655
oct1150766
9531283
10315894
111a6377
12132986
13b0a27
148319c
15638e9
hex4d1f6

315894 has 32 divisors (see below), whose sum is σ = 708480. Its totient is φ = 93312.

The previous prime is 315893. The next prime is 315899. The reversal of 315894 is 498513.

315894 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 315894.

It is not an unprimeable number, because it can be changed into a prime (315893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1857 + ... + 2019.

It is an arithmetic number, because the mean of its divisors is an integer number (22140).

2315894 is an apocalyptic number.

315894 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

315894 is an abundant number, since it is smaller than the sum of its proper divisors (392586).

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

315894 is a wasteful number, since it uses less digits than its factorization.

315894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204.

The product of its digits is 4320, while the sum is 30.

The square root of 315894 is about 562.0444822254. The cubic root of 315894 is about 68.1052292318.

The spelling of 315894 in words is "three hundred fifteen thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 17 19 34 38 51 57 102 114 163 323 326 489 646 969 978 1938 2771 3097 5542 6194 8313 9291 16626 18582 52649 105298 157947 315894