Search a number
-
+
314689 = 1372297
BaseRepresentation
bin1001100110101000001
3120222200011
41030311001
540032224
610424521
72450314
oct1146501
9528604
10314689
111a5481
12132141
13b030b
148297b
1563394
hex4cd41

314689 has 4 divisors (see below), whose sum is σ = 317124. Its totient is φ = 312256.

The previous prime is 314651. The next prime is 314693. The reversal of 314689 is 986413.

314689 is nontrivially palindromic in base 13.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 986413 = 2414093.

It can be written as a sum of positive squares in 2 ways, for example, as 166464 + 148225 = 408^2 + 385^2 .

It is a cyclic number.

It is not a de Polignac number, because 314689 - 215 = 281921 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

314689 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 314689.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314189) 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, 1012 + ... + 1285.

It is an arithmetic number, because the mean of its divisors is an integer number (79281).

2314689 is an apocalyptic number.

It is an amenable number.

314689 is a deficient number, since it is larger than the sum of its proper divisors (2435).

314689 is a wasteful number, since it uses less digits than its factorization.

314689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434.

The product of its digits is 5184, while the sum is 31.

The square root of 314689 is about 560.9714787759. The cubic root of 314689 is about 68.0185214830.

The spelling of 314689 in words is "three hundred fourteen thousand, six hundred eighty-nine".

Divisors: 1 137 2297 314689