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630689014 = 2315344507
BaseRepresentation
bin100101100101111…
…000110011110110
31121221202022200101
4211211320303312
52242424022024
6142325504314
721425524324
oct4545706366
91557668611
10630689014
112a4009a9a
1215727209a
13a0882387
145da94d14
153a580c44
hex25978cf6

630689014 has 4 divisors (see below), whose sum is σ = 946033524. Its totient is φ = 315344506.

The previous prime is 630689011. The next prime is 630689039. The reversal of 630689014 is 410986036.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630689011) 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 as a sum of consecutive naturals, namely, 157672252 + ... + 157672255.

It is an arithmetic number, because the mean of its divisors is an integer number (236508381).

Almost surely, 2630689014 is an apocalyptic number.

630689014 is a deficient number, since it is larger than the sum of its proper divisors (315344510).

630689014 is a wasteful number, since it uses less digits than its factorization.

630689014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315344509.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 630689014 is about 25113.5225326914. The cubic root of 630689014 is about 857.5742957667.

The spelling of 630689014 in words is "six hundred thirty million, six hundred eighty-nine thousand, fourteen".

Divisors: 1 2 315344507 630689014