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4989530 = 257135483
BaseRepresentation
bin10011000010001001011010
3100101111100102
4103002021122
52234131110
6254535402
760260510
oct23021132
910344312
104989530
1128a8787
121807562
1310590b0
1493c4b0
156885a5
hex4c225a

4989530 has 32 divisors (see below), whose sum is σ = 11055744. Its totient is φ = 1578816.

The previous prime is 4989511. The next prime is 4989541. The reversal of 4989530 is 359894.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1832 + ... + 3651.

It is an arithmetic number, because the mean of its divisors is an integer number (345492).

Almost surely, 24989530 is an apocalyptic number.

4989530 is an abundant number, since it is smaller than the sum of its proper divisors (6066214).

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

4989530 is a wasteful number, since it uses less digits than its factorization.

4989530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5510.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 4989530 is about 2233.7255874435. The cubic root of 4989530 is about 170.8781549388.

The spelling of 4989530 in words is "four million, nine hundred eighty-nine thousand, five hundred thirty".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 5483 10966 27415 38381 54830 71279 76762 142558 191905 356395 383810 498953 712790 997906 2494765 4989530