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630532 = 22723217
BaseRepresentation
bin10011001111100000100
31012000221001
42121330010
5130134112
621303044
75234200
oct2317404
91160831
10630532
113a0801
12264a84
13190cc6
14125b00
15c6c57
hex99f04

630532 has 18 divisors (see below), whose sum is σ = 1283982. Its totient is φ = 270144.

The previous prime is 630529. The next prime is 630559. The reversal of 630532 is 235036.

It can be written as a sum of positive squares in only one way, i.e., 614656 + 15876 = 784^2 + 126^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1413 + ... + 1804.

2630532 is an apocalyptic number.

It is an amenable number.

630532 is an abundant number, since it is smaller than the sum of its proper divisors (653450).

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

630532 is a wasteful number, since it uses less digits than its factorization.

630532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3235 (or 3226 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 630532 is about 794.0604510993. The cubic root of 630532 is about 85.7503123687.

Adding to 630532 its reverse (235036), we get a palindrome (865568).

The spelling of 630532 in words is "six hundred thirty thousand, five hundred thirty-two".

Divisors: 1 2 4 7 14 28 49 98 196 3217 6434 12868 22519 45038 90076 157633 315266 630532