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982974990 = 23573344701
BaseRepresentation
bin111010100101110…
…000001000001110
32112111122022012010
4322211300020032
54003120144430
6241312322050
733234102204
oct7245601016
92474568163
10982974990
11464955728
12235243326
13128858c0a
1494799074
155b46bcb0
hex3a97020e

982974990 has 32 divisors (see below), whose sum is σ = 2362411296. Its totient is φ = 261763200.

The previous prime is 982974977. The next prime is 982974991. The reversal of 982974990 is 99479289.

It is a self number, because there is not a number n which added to its sum of digits gives 982974990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (982974991) 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, 361 + ... + 44340.

It is an arithmetic number, because the mean of its divisors is an integer number (73825353).

Almost surely, 2982974990 is an apocalyptic number.

982974990 is an abundant number, since it is smaller than the sum of its proper divisors (1379436306).

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

982974990 is a wasteful number, since it uses less digits than its factorization.

982974990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45444.

The product of its (nonzero) digits is 2939328, while the sum is 57.

The square root of 982974990 is about 31352.4319630870. The cubic root of 982974990 is about 994.2924828907.

The spelling of 982974990 in words is "nine hundred eighty-two million, nine hundred seventy-four thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 733 1466 2199 3665 4398 7330 10995 21990 44701 89402 134103 223505 268206 447010 670515 1341030 32765833 65531666 98297499 163829165 196594998 327658330 491487495 982974990