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1990316352 = 26310366231
BaseRepresentation
bin111011010100001…
…1101000101000000
312010201010112202110
41312220131011000
513034010110402
6525255215320
7100215260403
oct16650350500
95121115673
101990316352
11931533152
12476677540
132594667ab
1414c497d3a
15b9aed56c
hex76a1d140

1990316352 has 28 divisors (see below), whose sum is σ = 5266045856. Its totient is φ = 663438720.

The previous prime is 1990316351. The next prime is 1990316359. The reversal of 1990316352 is 2536130991.

It is a super-2 number, since 2×19903163522 = 7922718362077175808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1990316352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1990316351) 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 3 ways as a sum of consecutive naturals, for example, 5182924 + ... + 5183307.

Almost surely, 21990316352 is an apocalyptic number.

1990316352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1990316352 is an abundant number, since it is smaller than the sum of its proper divisors (3275729504).

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

1990316352 is a wasteful number, since it uses less digits than its factorization.

1990316352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10366246 (or 10366236 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 1990316352 is about 44612.9617039712. The cubic root of 1990316352 is about 1257.8843205286.

The spelling of 1990316352 in words is "one billion, nine hundred ninety million, three hundred sixteen thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 10366231 20732462 31098693 41464924 62197386 82929848 124394772 165859696 248789544 331719392 497579088 663438784 995158176 1990316352