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1984130590 = 251331874789
BaseRepresentation
bin111011001000011…
…0110111000011110
312010021111021111011
41312100312320132
513030414134330
6524514445434
7100111555201
oct16620667036
95107437434
101984130590
11928a98752
1247459387a
132580ac090
1414b727938
15b92ca82a
hex76436e1e

1984130590 has 32 divisors (see below), whose sum is σ = 3848171040. Its totient is φ = 732219264.

The previous prime is 1984130573. The next prime is 1984130593. The reversal of 1984130590 is 950314891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1984130593) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 411916 + ... + 416704.

It is an arithmetic number, because the mean of its divisors is an integer number (120255345).

Almost surely, 21984130590 is an apocalyptic number.

1984130590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1984130590 is a deficient number, since it is larger than the sum of its proper divisors (1864040450).

1984130590 is a wasteful number, since it uses less digits than its factorization.

1984130590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7996.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 1984130590 is about 44543.5807945432. The cubic root of 1984130590 is about 1256.5798297670.

The spelling of 1984130590 in words is "one billion, nine hundred eighty-four million, one hundred thirty thousand, five hundred ninety".

Divisors: 1 2 5 10 13 26 65 130 3187 4789 6374 9578 15935 23945 31870 41431 47890 62257 82862 124514 207155 311285 414310 622570 15262543 30525086 76312715 152625430 198413059 396826118 992065295 1984130590