Search a number
-
+
390676 = 221113683
BaseRepresentation
bin1011111011000010100
3201211220111
41133120110
5100000201
612212404
73214666
oct1373024
9654814
10390676
11247580
1216a104
13108a90
14a2536
157ab51
hex5f614

390676 has 24 divisors (see below), whose sum is σ = 804384. Its totient is φ = 163680.

The previous prime is 390673. The next prime is 390703. The reversal of 390676 is 676093.

390676 = T261 + T262 + ... + T271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231 + ... + 913.

It is an arithmetic number, because the mean of its divisors is an integer number (33516).

2390676 is an apocalyptic number.

It is an amenable number.

390676 is an abundant number, since it is smaller than the sum of its proper divisors (413708).

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

390676 is a wasteful number, since it uses less digits than its factorization.

390676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 390676 is about 625.0407986684. The cubic root of 390676 is about 73.1036246482.

The spelling of 390676 in words is "three hundred ninety thousand, six hundred seventy-six".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 683 1366 2732 7513 8879 15026 17758 30052 35516 97669 195338 390676