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630341140 = 2251113220399
BaseRepresentation
bin100101100100100…
…011111000010100
31121221002122111011
4211210203320110
52242331404030
6142314222004
721422545162
oct4544437024
91557078434
10630341140
112a38a16a0
12157124904
13a078cc30
145da04232
153a512b2a
hex25923e14

630341140 has 48 divisors (see below), whose sum is σ = 1555142400. Its totient is φ = 211582080.

The previous prime is 630341099. The next prime is 630341141. The reversal of 630341140 is 41143036.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630341141) 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 15 ways as a sum of consecutive naturals, for example, 107340 + ... + 113059.

It is an arithmetic number, because the mean of its divisors is an integer number (32398800).

Almost surely, 2630341140 is an apocalyptic number.

It is an amenable number.

630341140 is an abundant number, since it is smaller than the sum of its proper divisors (924801260).

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

630341140 is a wasteful number, since it uses less digits than its factorization.

630341140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220432 (or 220430 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 630341140 is about 25106.5955477839. The cubic root of 630341140 is about 857.4165938137.

Adding to 630341140 its reverse (41143036), we get a palindrome (671484176).

The spelling of 630341140 in words is "six hundred thirty million, three hundred forty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 13 20 22 26 44 52 55 65 110 130 143 220 260 286 572 715 1430 2860 220399 440798 881596 1101995 2203990 2424389 2865187 4407980 4848778 5730374 9697556 11460748 12121945 14325935 24243890 28651870 31517057 48487780 57303740 63034114 126068228 157585285 315170570 630341140