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630373122 = 23235020729
BaseRepresentation
bin100101100100101…
…011101100000010
31121221011021100200
4211210223230002
52242333414442
6142315030030
721423040341
oct4544535402
91557137320
10630373122
112a3913725
1215713b316
13a07a1662
145da11b58
153a51c34c
hex2592bb02

630373122 has 12 divisors (see below), whose sum is σ = 1365808470. Its totient is φ = 210124368.

The previous prime is 630373103. The next prime is 630373123. The reversal of 630373122 is 221373036.

630373122 is a `hidden beast` number, since 630 + 3 + 7 + 3 + 1 + 22 = 666.

It can be written as a sum of positive squares in only one way, i.e., 623450961 + 6922161 = 24969^2 + 2631^2 .

It is not an unprimeable number, because it can be changed into a prime (630373123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17510347 + ... + 17510382.

Almost surely, 2630373122 is an apocalyptic number.

630373122 is an abundant number, since it is smaller than the sum of its proper divisors (735435348).

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

630373122 is a wasteful number, since it uses less digits than its factorization.

630373122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35020737 (or 35020734 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 630373122 is about 25107.2324639734. The cubic root of 630373122 is about 857.4310946567.

The spelling of 630373122 in words is "six hundred thirty million, three hundred seventy-three thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 18 35020729 70041458 105062187 210124374 315186561 630373122