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630562141 = 11311184321
BaseRepresentation
bin100101100101011…
…001110101011101
31121221111212122101
4211211121311131
52242410442031
6142323045101
721424455406
oct4545316535
91557455571
10630562141
112a3a32740
12157210791
13a08396c1
145da609ad
153a558361
hex25959d5d

630562141 has 8 divisors (see below), whose sum is σ = 690101568. Its totient is φ = 571392000.

The previous prime is 630562133. The next prime is 630562157. The reversal of 630562141 is 141265036.

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 630562141 - 23 = 630562133 is a prime.

It is a super-2 number, since 2×6305621412 = 795217227325007762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630562111) 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 in 7 ways as a sum of consecutive naturals, for example, 88740 + ... + 95581.

It is an arithmetic number, because the mean of its divisors is an integer number (86262696).

Almost surely, 2630562141 is an apocalyptic number.

It is an amenable number.

630562141 is a deficient number, since it is larger than the sum of its proper divisors (59539427).

630562141 is a wasteful number, since it uses less digits than its factorization.

630562141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184643.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 630562141 is about 25110.9964159131. The cubic root of 630562141 is about 857.5167870644.

The spelling of 630562141 in words is "six hundred thirty million, five hundred sixty-two thousand, one hundred forty-one".

Divisors: 1 11 311 3421 184321 2027531 57323831 630562141