Search a number
-
+
630612273 = 3712960621
BaseRepresentation
bin100101100101100…
…110000100110001
31121221121102102010
4211211212010301
52242414043043
6142324113133
721425054514
oct4545460461
91557542363
10630612273
112a3a67375
121572357a9
13a0856475
145da74d7b
153a568133
hex25966131

630612273 has 8 divisors (see below), whose sum is σ = 852659136. Its totient is φ = 414486800.

The previous prime is 630612271. The next prime is 630612289. The reversal of 630612273 is 372216036.

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 630612273 - 21 = 630612271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 630612273.

It is not an unprimeable number, because it can be changed into a prime (630612271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1480098 + ... + 1480523.

It is an arithmetic number, because the mean of its divisors is an integer number (106582392).

Almost surely, 2630612273 is an apocalyptic number.

It is an amenable number.

630612273 is a deficient number, since it is larger than the sum of its proper divisors (222046863).

630612273 is a wasteful number, since it uses less digits than its factorization.

630612273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2960695.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 630612273 is about 25111.9946041727. The cubic root of 630612273 is about 857.5395117041.

The spelling of 630612273 in words is "six hundred thirty million, six hundred twelve thousand, two hundred seventy-three".

Divisors: 1 3 71 213 2960621 8881863 210204091 630612273