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630969070 = 25127949333
BaseRepresentation
bin100101100110111…
…101001011101110
31121222021112211211
4211212331023232
52243012002240
6142335505034
721431101654
oct4546751356
91558245754
10630969070
112a4190446
1215738817a
13a094c9a4
145db28dd4
153a5d8bea
hex259bd2ee

630969070 has 16 divisors (see below), whose sum is σ = 1136655360. Its totient is φ = 252185184.

The previous prime is 630969067. The next prime is 630969091. The reversal of 630969070 is 70969036.

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, 11877 + ... + 37456.

It is an arithmetic number, because the mean of its divisors is an integer number (71040960).

Almost surely, 2630969070 is an apocalyptic number.

630969070 is a deficient number, since it is larger than the sum of its proper divisors (505686290).

630969070 is a wasteful number, since it uses less digits than its factorization.

630969070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50619.

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 630969070 is about 25119.0977146871. The cubic root of 630969070 is about 857.7012116114.

The spelling of 630969070 in words is "six hundred thirty million, nine hundred sixty-nine thousand, seventy".

Divisors: 1 2 5 10 1279 2558 6395 12790 49333 98666 246665 493330 63096907 126193814 315484535 630969070