Search a number
-
+
630830566 = 2315415283
BaseRepresentation
bin100101100110011…
…011010111100110
31121222000111212001
4211212123113212
52242443034231
6142332515514
721426654112
oct4546332746
91558014761
10630830566
112a40a6383
1215731bb9a
13a0901932
145dad0742
153a5acb61
hex2599b5e6

630830566 has 4 divisors (see below), whose sum is σ = 946245852. Its totient is φ = 315415282.

The previous prime is 630830561. The next prime is 630830567. The reversal of 630830566 is 665038036.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630830561) by changing a digit.

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 as a sum of consecutive naturals, namely, 157707640 + ... + 157707643.

It is an arithmetic number, because the mean of its divisors is an integer number (236561463).

Almost surely, 2630830566 is an apocalyptic number.

630830566 is a deficient number, since it is larger than the sum of its proper divisors (315415286).

630830566 is a wasteful number, since it uses less digits than its factorization.

630830566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315415285.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 630830566 is about 25116.3406172157. The cubic root of 630830566 is about 857.6384490305.

The spelling of 630830566 in words is "six hundred thirty million, eight hundred thirty thousand, five hundred sixty-six".

Divisors: 1 2 315415283 630830566