Search a number
-
+
630461143 = 1350995279
BaseRepresentation
bin100101100101000…
…001001011010111
31121221022202002201
4211211001023113
52242344224033
6142320545331
721423555064
oct4545011327
91557282081
10630461143
112a3973874
12157182247
13a0802740
145da35c6b
153a53847d
hex259412d7

630461143 has 8 divisors (see below), whose sum is σ = 680299200. Its totient is φ = 580814688.

The previous prime is 630461113. The next prime is 630461203. The reversal of 630461143 is 341164036.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 630461143 - 213 = 630452951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630461113) 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, 41023 + ... + 54256.

It is an arithmetic number, because the mean of its divisors is an integer number (85037400).

Almost surely, 2630461143 is an apocalyptic number.

630461143 is a deficient number, since it is larger than the sum of its proper divisors (49838057).

630461143 is a wasteful number, since it uses less digits than its factorization.

630461143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95801.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 630461143 is about 25108.9853040699. The cubic root of 630461143 is about 857.4710014078.

The spelling of 630461143 in words is "six hundred thirty million, four hundred sixty-one thousand, one hundred forty-three".

Divisors: 1 13 509 6617 95279 1238627 48497011 630461143