Search a number
-
+
630372 = 223131401
BaseRepresentation
bin10011001111001100100
31012000201010
42121321210
5130132442
621302220
75233551
oct2317144
91160633
10630372
113a0676
12264970
13190c02
14125a28
15c6b9c
hex99e64

630372 has 24 divisors (see below), whose sum is σ = 1485792. Its totient is φ = 208000.

The previous prime is 630353. The next prime is 630391. The reversal of 630372 is 273036.

630372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (630353) and next prime (630391).

It is an unprimeable number.

630372 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 7 ways as a sum of consecutive naturals, for example, 1372 + ... + 1772.

It is an arithmetic number, because the mean of its divisors is an integer number (61908).

2630372 is an apocalyptic number.

It is an amenable number.

630372 is an abundant number, since it is smaller than the sum of its proper divisors (855420).

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

630372 is a wasteful number, since it uses less digits than its factorization.

630372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 537 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 630372 is about 793.9596967101. The cubic root of 630372 is about 85.7430585943.

The spelling of 630372 in words is "six hundred thirty thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 131 262 393 401 524 786 802 1203 1572 1604 2406 4812 52531 105062 157593 210124 315186 630372