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630340260 = 223511955061
BaseRepresentation
bin100101100100100…
…011101010100100
31121221002121021120
4211210203222210
52242331342020
6142314213540
721422542464
oct4544435244
91557077246
10630340260
112a38a0a70
121571242b0
13a078c704
145da03ba4
153a512740
hex25923aa4

630340260 has 48 divisors (see below), whose sum is σ = 1925404992. Its totient is φ = 152809600.

The previous prime is 630340237. The next prime is 630340303. The reversal of 630340260 is 62043036.

It is a self number, because there is not a number n which added to its sum of digits gives 630340260.

It is an unprimeable number.

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, 476871 + ... + 478190.

It is an arithmetic number, because the mean of its divisors is an integer number (40112604).

Almost surely, 2630340260 is an apocalyptic number.

630340260 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

630340260 is an abundant number, since it is smaller than the sum of its proper divisors (1295064732).

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

630340260 is a wasteful number, since it uses less digits than its factorization.

630340260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955084 (or 955082 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 630340260 is about 25106.5780225024. The cubic root of 630340260 is about 857.4161948091.

Adding to 630340260 its reverse (62043036), we get a palindrome (692383296).

The spelling of 630340260 in words is "six hundred thirty million, three hundred forty thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 955061 1910122 2865183 3820244 4775305 5730366 9550610 10505671 11460732 14325915 19101220 21011342 28651830 31517013 42022684 52528355 57303660 63034026 105056710 126068052 157585065 210113420 315170130 630340260