Search a number
-
+
630048506 = 2378514169
BaseRepresentation
bin100101100011011…
…100011011111010
31121220112210001212
4211203130123322
52242243023011
6142304043122
721420216053
oct4543343372
91556483055
10630048506
112a371184a
121570034a2
13a06b9989
145d96972a
153a4a608b
hex258dc6fa

630048506 has 8 divisors (see below), whose sum is σ = 970615380. Its totient is φ = 306510048.

The previous prime is 630048487. The next prime is 630048539. The reversal of 630048506 is 605840036.

It can be written as a sum of positive squares in 2 ways, for example, as 618765625 + 11282881 = 24875^2 + 3359^2 .

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

It is a super-2 number, since 2×6300485062 = 793922239825664072, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4257011 + ... + 4257158.

Almost surely, 2630048506 is an apocalyptic number.

630048506 is a deficient number, since it is larger than the sum of its proper divisors (340566874).

630048506 is a wasteful number, since it uses less digits than its factorization.

630048506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8514208.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 630048506 is about 25100.7670400727. The cubic root of 630048506 is about 857.2838889075.

The spelling of 630048506 in words is "six hundred thirty million, forty-eight thousand, five hundred six".

Divisors: 1 2 37 74 8514169 17028338 315024253 630048506