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8674874091 = 34138238247
BaseRepresentation
bin10000001010001000…
…00001001011101011
3211101120022021010000
420011010001023223
5120231231432331
63552444354043
7424654133052
oct100504011353
924346267100
108674874091
113751816334
121821245923
13a832c5bc0
145c4181399
1535b8a80e6
hex2051012eb

8674874091 has 20 divisors (see below), whose sum is σ = 13955592112. Its totient is φ = 5338383408.

The previous prime is 8674874077. The next prime is 8674874123. The reversal of 8674874091 is 1904784768.

It is a happy number.

It is not a de Polignac number, because 8674874091 - 214 = 8674857707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8674874041) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4118071 + ... + 4120176.

Almost surely, 28674874091 is an apocalyptic number.

8674874091 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

8674874091 is a deficient number, since it is larger than the sum of its proper divisors (5280718021).

8674874091 is a wasteful number, since it uses less digits than its factorization.

8674874091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8238272 (or 8238263 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The square root of 8674874091 is about 93139.0041336067. The cubic root of 8674874091 is about 2054.7282564645.

The spelling of 8674874091 in words is "eight billion, six hundred seventy-four million, eight hundred seventy-four thousand, ninety-one".

Divisors: 1 3 9 13 27 39 81 117 351 1053 8238247 24714741 74144223 107097211 222432669 321291633 667298007 963874899 2891624697 8674874091