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314881 = 744983
BaseRepresentation
bin1001100111000000001
3120222221021
41030320001
540034011
610425441
72451010
oct1147001
9528837
10314881
111a5636
12132281
13b0428
1482a77
1563471
hex4ce01

314881 has 4 divisors (see below), whose sum is σ = 359872. Its totient is φ = 269892.

The previous prime is 314879. The next prime is 314903. The reversal of 314881 is 188413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 314881 - 21 = 314879 is a prime.

It is a super-2 number, since 2×3148812 = 198300088322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22485 + ... + 22498.

It is an arithmetic number, because the mean of its divisors is an integer number (89968).

314881 is a Friedman number, since it can be written as 1+48*(3^8-1), using all its digits and the basic arithmetic operations.

2314881 is an apocalyptic number.

It is an amenable number.

314881 is a deficient number, since it is larger than the sum of its proper divisors (44991).

314881 is an equidigital number, since it uses as much as digits as its factorization.

314881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44990.

The product of its digits is 768, while the sum is 25.

The square root of 314881 is about 561.1425843758. The cubic root of 314881 is about 68.0323519644.

It can be divided in two parts, 3 and 14881, that added together give a square (14884 = 1222).

The spelling of 314881 in words is "three hundred fourteen thousand, eight hundred eighty-one".

Divisors: 1 7 44983 314881