[go: up one dir, main page]

Search a number
-
+
31046 = 219243
BaseRepresentation
bin111100101000110
31120120212
413211012
51443141
6355422
7156341
oct74506
946525
1031046
1121364
1215b72
1311192
14b458
1592eb
hex7946

31046 has 12 divisors (see below), whose sum is σ = 50292. Its totient is φ = 14364.

The previous prime is 31039. The next prime is 31051. The reversal of 31046 is 64013.

It is a self number, because there is not a number n which added to its sum of digits gives 31046.

It is a congruent number.

It is an unprimeable number.

31046 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 701 + ... + 743.

It is an arithmetic number, because the mean of its divisors is an integer number (4191).

231046 is an apocalyptic number.

31046 is a deficient number, since it is larger than the sum of its proper divisors (19246).

31046 is a wasteful number, since it uses less digits than its factorization.

31046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 31046 is about 176.1987514144. The cubic root of 31046 is about 31.4293368566.

Adding to 31046 its reverse (64013), we get a palindrome (95059).

The spelling of 31046 in words is "thirty-one thousand, forty-six".

Divisors: 1 2 19 38 43 86 361 722 817 1634 15523 31046