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630275 = 52171483
BaseRepresentation
bin10011001111000000011
31012000120112
42121320003
5130132100
621301535
75233352
oct2317003
91160515
10630275
113a0598
122648ab
13190b59
14125999
15c6b35
hex99e03

630275 has 12 divisors (see below), whose sum is σ = 828072. Its totient is φ = 474240.

The previous prime is 630263. The next prime is 630281. The reversal of 630275 is 572036.

It is a de Polignac number, because none of the positive numbers 2k-630275 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 630275.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 317 + ... + 1166.

It is an arithmetic number, because the mean of its divisors is an integer number (69006).

2630275 is an apocalyptic number.

630275 is a deficient number, since it is larger than the sum of its proper divisors (197797).

630275 is a wasteful number, since it uses less digits than its factorization.

630275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510 (or 1505 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 630275 is about 793.8986081358. The cubic root of 630275 is about 85.7386603959.

The spelling of 630275 in words is "six hundred thirty thousand, two hundred seventy-five".

Divisors: 1 5 17 25 85 425 1483 7415 25211 37075 126055 630275