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806974131 = 3535075309
BaseRepresentation
bin110000000110010…
…111001010110011
32002020110112101210
4300012113022303
53123041133011
6212024131203
725666111155
oct6006271263
92066415353
10806974131
11384574677
121a6306b03
13cb2553b2
1479262ad5
154aca36a6
hex301972b3

806974131 has 8 divisors (see below), whose sum is σ = 1096266960. Its totient is φ = 527832032.

The previous prime is 806974127. The next prime is 806974151. The reversal of 806974131 is 131479608.

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 806974131 - 22 = 806974127 is a prime.

It is a super-2 number, since 2×8069741312 = 1302414496206410322, 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 806974131.

It is not an unprimeable number, because it can be changed into a prime (806974111) 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, 2537496 + ... + 2537813.

It is an arithmetic number, because the mean of its divisors is an integer number (137033370).

Almost surely, 2806974131 is an apocalyptic number.

806974131 is a deficient number, since it is larger than the sum of its proper divisors (289292829).

806974131 is a wasteful number, since it uses less digits than its factorization.

806974131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5075365.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 806974131 is about 28407.2901030704. The cubic root of 806974131 is about 931.0075529628.

The spelling of 806974131 in words is "eight hundred six million, nine hundred seventy-four thousand, one hundred thirty-one".

Divisors: 1 3 53 159 5075309 15225927 268991377 806974131