Search a number
-
+
314531 = 74131
BaseRepresentation
bin1001100110010100011
3120222110022
41030302203
540031111
610424055
72450000
oct1146243
9528408
10314531
111a5348
1213202b
13b0219
14828a7
15632db
hex4cca3

314531 has 10 divisors (see below), whose sum is σ = 369732. Its totient is φ = 267540.

The previous prime is 314527. The next prime is 314543. The reversal of 314531 is 135413.

It is not a de Polignac number, because 314531 - 22 = 314527 is a prime.

It is a super-2 number, since 2×3145312 = 197859499922, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 314531.

It is not an unprimeable number, because it can be changed into a prime (314581) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2336 + ... + 2466.

2314531 is an apocalyptic number.

314531 is a deficient number, since it is larger than the sum of its proper divisors (55201).

314531 is an frugal number, since it uses more digits than its factorization.

314531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 138 counting only the distinct ones).

The product of its digits is 180, while the sum is 17.

The square root of 314531 is about 560.8306339707. The cubic root of 314531 is about 68.0071359293.

Adding to 314531 its reverse (135413), we get a palindrome (449944).

The spelling of 314531 in words is "three hundred fourteen thousand, five hundred thirty-one".

Divisors: 1 7 49 131 343 917 2401 6419 44933 314531