Search a number
-
+
807120245 = 5283570403
BaseRepresentation
bin110000000110111…
…010110101110101
32002020201221211102
4300012322311311
53123110321440
6212031215445
726000260151
oct6006726565
92066657742
10807120245
11384664428
121a6377585
13cb2a6a59
14792a0061
154acd1b15
hex301bad75

807120245 has 8 divisors (see below), whose sum is σ = 971968416. Its totient is φ = 643413456.

The previous prime is 807120239. The next prime is 807120283. The reversal of 807120245 is 542021708.

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 807120245 - 222 = 802925941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283787 + ... + 286616.

It is an arithmetic number, because the mean of its divisors is an integer number (121496052).

Almost surely, 2807120245 is an apocalyptic number.

It is an amenable number.

807120245 is a deficient number, since it is larger than the sum of its proper divisors (164848171).

807120245 is a wasteful number, since it uses less digits than its factorization.

807120245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570691.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 807120245 is about 28409.8617560874. The cubic root of 807120245 is about 931.0637402361.

The spelling of 807120245 in words is "eight hundred seven million, one hundred twenty thousand, two hundred forty-five".

Divisors: 1 5 283 1415 570403 2852015 161424049 807120245