[go: up one dir, main page]

Search a number
-
+
630361630 = 2568999137
BaseRepresentation
bin100101100100101…
…000111000011110
31121221010200121001
4211210220320132
52242333033010
6142314500514
721422662003
oct4544507036
91557120531
10630361630
112a3906028
1215713473a
13a0799362
145da0b8aa
153a518c3a
hex25928e1e

630361630 has 16 divisors (see below), whose sum is σ = 1134939600. Its totient is φ = 252080512.

The previous prime is 630361607. The next prime is 630361691. The reversal of 630361630 is 36163036.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64422 + ... + 73558.

It is an arithmetic number, because the mean of its divisors is an integer number (70933725).

Almost surely, 2630361630 is an apocalyptic number.

630361630 is a deficient number, since it is larger than the sum of its proper divisors (504577970).

630361630 is a wasteful number, since it uses less digits than its factorization.

630361630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16043.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 630361630 is about 25107.0036045722. The cubic root of 630361630 is about 857.4258841670.

The spelling of 630361630 in words is "six hundred thirty million, three hundred sixty-one thousand, six hundred thirty".

Divisors: 1 2 5 10 6899 9137 13798 18274 34495 45685 68990 91370 63036163 126072326 315180815 630361630