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630365042 = 2315182521
BaseRepresentation
bin100101100100101…
…001101101110010
31121221010212021102
4211210221231302
52242333140132
6142314524402
721423004646
oct4544515562
91557125242
10630365042
112a390864a
12157136702
13a079aa88
145da0cc26
153a519c62
hex25929b72

630365042 has 4 divisors (see below), whose sum is σ = 945547566. Its totient is φ = 315182520.

The previous prime is 630365023. The next prime is 630365063. The reversal of 630365042 is 240563036.

630365042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 492795601 + 137569441 = 22199^2 + 11729^2 .

It is a junction number, because it is equal to n+sod(n) for n = 630364996 and 630365014.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157591259 + ... + 157591262.

Almost surely, 2630365042 is an apocalyptic number.

630365042 is a deficient number, since it is larger than the sum of its proper divisors (315182524).

630365042 is a wasteful number, since it uses less digits than its factorization.

630365042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315182523.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 630365042 is about 25107.0715536480. The cubic root of 630365042 is about 857.4274311794.

The spelling of 630365042 in words is "six hundred thirty million, three hundred sixty-five thousand, forty-two".

Divisors: 1 2 315182521 630365042