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630580172 = 221391134137
BaseRepresentation
bin100101100101011…
…110001111001100
31121221112210101012
4211211132033030
52242412031142
6142323304352
721424562105
oct4545361714
91557483335
10630580172
112a3a45242
1215721b0b8
13a0844981
145da673ac
153a55d882
hex2595e3cc

630580172 has 12 divisors (see below), whose sum is σ = 1111455240. Its totient is φ = 313021536.

The previous prime is 630580163. The next prime is 630580183. The reversal of 630580172 is 271085036.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566513 + ... + 567624.

It is an arithmetic number, because the mean of its divisors is an integer number (92621270).

Almost surely, 2630580172 is an apocalyptic number.

It is an amenable number.

630580172 is a deficient number, since it is larger than the sum of its proper divisors (480875068).

630580172 is a wasteful number, since it uses less digits than its factorization.

630580172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134280 (or 1134278 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 630580172 is about 25111.3554393227. The cubic root of 630580172 is about 857.5249605849.

The spelling of 630580172 in words is "six hundred thirty million, five hundred eighty thousand, one hundred seventy-two".

Divisors: 1 2 4 139 278 556 1134137 2268274 4536548 157645043 315290086 630580172