Search a number
-
+
630923802 = 23105153967
BaseRepresentation
bin100101100110110…
…010001000011010
31121222012020202020
4211212302020122
52243004030202
6142334515310
721430522665
oct4546621032
91558166666
10630923802
112a415a433
12157365b36
13a09351c2
145db166dc
153a5ca5bc
hex259b221a

630923802 has 8 divisors (see below), whose sum is σ = 1261847616. Its totient is φ = 210307932.

The previous prime is 630923801. The next prime is 630923807. The reversal of 630923802 is 208329036.

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

630923802 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (630923801) 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 3 ways as a sum of consecutive naturals, for example, 52576978 + ... + 52576989.

It is an arithmetic number, because the mean of its divisors is an integer number (157730952).

Almost surely, 2630923802 is an apocalyptic number.

630923802 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630923802 is a wasteful number, since it uses less digits than its factorization.

630923802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105153972.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 630923802 is about 25118.1966311278. The cubic root of 630923802 is about 857.6806995933.

The spelling of 630923802 in words is "six hundred thirty million, nine hundred twenty-three thousand, eight hundred two".

Divisors: 1 2 3 6 105153967 210307934 315461901 630923802