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8402530642 = 211253719227
BaseRepresentation
bin1111101001101010…
…00111000101010010
3210200120211210010121
413310311013011102
5114202021440032
63505435220454
7415136221612
oct76465070522
923616753117
108402530642
113622011700
121765ba772a
13a3ba5c52c
14599d2aa42
15342a0da97
hex1f4d47152

8402530642 has 48 divisors (see below), whose sum is σ = 14315507136. Its totient is φ = 3694090400.

The previous prime is 8402530597. The next prime is 8402530667. The reversal of 8402530642 is 2460352048.

It is a junction number, because it is equal to n+sod(n) for n = 8402530598 and 8402530607.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 906033 + ... + 915259.

It is an arithmetic number, because the mean of its divisors is an integer number (298239732).

Almost surely, 28402530642 is an apocalyptic number.

8402530642 is a deficient number, since it is larger than the sum of its proper divisors (5912976494).

8402530642 is a wasteful number, since it uses less digits than its factorization.

8402530642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9375 (or 9364 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 8402530642 is about 91665.3186434215. The cubic root of 8402530642 is about 2032.9968308561.

The spelling of 8402530642 in words is "eight billion, four hundred two million, five hundred thirty thousand, six hundred forty-two".

Divisors: 1 2 11 22 53 71 106 121 142 242 583 781 1166 1562 3763 6413 7526 8591 9227 12826 17182 18454 41393 82786 101497 202994 455323 489031 655117 910646 978062 1116467 1310234 2232934 5379341 7206287 10758682 14412574 34721201 59172751 69442402 79269157 118345502 158538314 381933211 763866422 4201265321 8402530642