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630672 = 24371877
BaseRepresentation
bin10011001111110010000
31012001010020
42121332100
5130140142
621303440
75234460
oct2317620
91161106
10630672
113a0919
12264b80
131910a3
14125ba0
15c6cec
hex99f90

630672 has 40 divisors (see below), whose sum is σ = 1862976. Its totient is φ = 180096.

The previous prime is 630659. The next prime is 630677. The reversal of 630672 is 276036.

630672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (630677) by changing a digit.

630672 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, 603 + ... + 1274.

2630672 is an apocalyptic number.

It is an amenable number.

630672 is an abundant number, since it is smaller than the sum of its proper divisors (1232304).

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

630672 is a wasteful number, since it uses less digits than its factorization.

630672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895 (or 1889 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 630672 is about 794.1486007039. The cubic root of 630672 is about 85.7566584148.

The spelling of 630672 in words is "six hundred thirty thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 1877 3754 5631 7508 11262 13139 15016 22524 26278 30032 39417 45048 52556 78834 90096 105112 157668 210224 315336 630672