Search a number
-
+
634610290 = 25128349463
BaseRepresentation
bin100101110100110…
…110001001110010
31122020010112122211
4211310312021302
52244430012130
6142545522334
721504045526
oct4564661162
91566115584
10634610290
112a6248116
121586433aa
13a1626162
14603d5d86
153aaa7a2a
hex25d36272

634610290 has 16 divisors (see below), whose sum is σ = 1143211968. Its totient is φ = 253641136.

The previous prime is 634610257. The next prime is 634610293. The reversal of 634610290 is 92016436.

634610290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (634610293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11902 + ... + 37561.

It is an arithmetic number, because the mean of its divisors is an integer number (71450748).

Almost surely, 2634610290 is an apocalyptic number.

634610290 is a deficient number, since it is larger than the sum of its proper divisors (508601678).

634610290 is a wasteful number, since it uses less digits than its factorization.

634610290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50753.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 634610290 is about 25191.4725651360. The cubic root of 634610290 is about 859.3479327938.

The spelling of 634610290 in words is "six hundred thirty-four million, six hundred ten thousand, two hundred ninety".

Divisors: 1 2 5 10 1283 2566 6415 12830 49463 98926 247315 494630 63461029 126922058 317305145 634610290