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630315740 = 225208715101
BaseRepresentation
bin100101100100011…
…101101011011100
31121221001100122102
4211210131223130
52242330100430
6142313504232
721422411135
oct4544355334
91557040572
10630315740
112a38845aa
12157112078
13a07814c2
145d9d8c8c
153a50a345
hex2591dadc

630315740 has 24 divisors (see below), whose sum is σ = 1324384992. Its totient is φ = 251988800.

The previous prime is 630315737. The next prime is 630315773. The reversal of 630315740 is 47513036.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34190 + ... + 49290.

It is an arithmetic number, because the mean of its divisors is an integer number (55182708).

Almost surely, 2630315740 is an apocalyptic number.

It is an amenable number.

630315740 is an abundant number, since it is smaller than the sum of its proper divisors (694069252).

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

630315740 is a wasteful number, since it uses less digits than its factorization.

630315740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17197 (or 17195 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 630315740 is about 25106.0896995131. The cubic root of 630315740 is about 857.4050769420.

Adding to 630315740 its reverse (47513036), we get a palindrome (677828776).

The spelling of 630315740 in words is "six hundred thirty million, three hundred fifteen thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 2087 4174 8348 10435 15101 20870 30202 41740 60404 75505 151010 302020 31515787 63031574 126063148 157578935 315157870 630315740