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634325630 = 254712710627
BaseRepresentation
bin100101110011110…
…000101001111110
31122012121002011212
4211303300221332
52244341410010
6142535444422
721501451601
oct4563605176
91565532155
10634325630
112a6073264
12158526712
13a1556713
1460360338
153aa4d505
hex25cf0a7e

634325630 has 32 divisors (see below), whose sum is σ = 1175371776. Its totient is φ = 246353184.

The previous prime is 634325617. The next prime is 634325647. The reversal of 634325630 is 36523436.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54377 + ... + 65003.

It is an arithmetic number, because the mean of its divisors is an integer number (36730368).

Almost surely, 2634325630 is an apocalyptic number.

634325630 is a deficient number, since it is larger than the sum of its proper divisors (541046146).

634325630 is a wasteful number, since it uses less digits than its factorization.

634325630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10808.

The product of its (nonzero) digits is 38880, while the sum is 32.

The square root of 634325630 is about 25185.8220036591. The cubic root of 634325630 is about 859.2194242317.

The spelling of 634325630 in words is "six hundred thirty-four million, three hundred twenty-five thousand, six hundred thirty".

Divisors: 1 2 5 10 47 94 127 235 254 470 635 1270 5969 10627 11938 21254 29845 53135 59690 106270 499469 998938 1349629 2497345 2699258 4994690 6748145 13496290 63432563 126865126 317162815 634325630