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806899741 = 2933018429
BaseRepresentation
bin110000000110000…
…101000000011101
32002020022202100121
4300012011000131
53123031242431
6212022354541
725665351244
oct6006050035
92066282317
10806899741
1138452379a
121a628ba51
13cb22a58b
147924395b
154ac8b611
hex3018501d

806899741 has 8 divisors (see below), whose sum is σ = 835075800. Its totient is φ = 778747200.

The previous prime is 806899739. The next prime is 806899787. The reversal of 806899741 is 147998608.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3404025 + 803495716 = 1845^2 + 28346^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 806899741 - 21 = 806899739 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800899741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91515 + ... + 99943.

It is an arithmetic number, because the mean of its divisors is an integer number (104384475).

Almost surely, 2806899741 is an apocalyptic number.

It is an amenable number.

806899741 is a deficient number, since it is larger than the sum of its proper divisors (28176059).

806899741 is a wasteful number, since it uses less digits than its factorization.

806899741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11759.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 806899741 is about 28405.9807258964. The cubic root of 806899741 is about 930.9789441233.

The spelling of 806899741 in words is "eight hundred six million, eight hundred ninety-nine thousand, seven hundred forty-one".

Divisors: 1 29 3301 8429 95729 244441 27824129 806899741