Search a number
-
+
632390 = 25115749
BaseRepresentation
bin10011010011001000110
31012010110212
42122121012
5130214030
621315422
75242463
oct2323106
91163425
10632390
113a2140
12265b72
13191ac5
1412666a
15c7595
hex9a646

632390 has 16 divisors (see below), whose sum is σ = 1242000. Its totient is φ = 229920.

The previous prime is 632389. The next prime is 632393. The reversal of 632390 is 93236.

It is a happy number.

It is a super-2 number, since 2×6323902 = 799834224200, which contains 22 as substring.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632393) 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, 2765 + ... + 2984.

It is an arithmetic number, because the mean of its divisors is an integer number (77625).

2632390 is an apocalyptic number.

632390 is a deficient number, since it is larger than the sum of its proper divisors (609610).

632390 is a wasteful number, since it uses less digits than its factorization.

632390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5767.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 632390 is about 795.2295266148. The cubic root of 632390 is about 85.8344571024.

The spelling of 632390 in words is "six hundred thirty-two thousand, three hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 5749 11498 28745 57490 63239 126478 316195 632390