Search a number
-
+
393575065 = 5136055001
BaseRepresentation
bin10111011101010…
…111101010011001
31000102120200111021
4113131113222121
51301223400230
6103015402441
712516222112
oct2735275231
91012520437
10393575065
11192187854
12ab983421
1363702070
143a3b1209
1524844c7a
hex17757a99

393575065 has 8 divisors (see below), whose sum is σ = 508620168. Its totient is φ = 290640000.

The previous prime is 393575033. The next prime is 393575069. The reversal of 393575065 is 560575393.

It can be written as a sum of positive squares in 4 ways, for example, as 22781529 + 370793536 = 4773^2 + 19256^2 .

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

It is not a de Polignac number, because 393575065 - 25 = 393575033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (393575069) 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, 3027436 + ... + 3027565.

It is an arithmetic number, because the mean of its divisors is an integer number (63577521).

Almost surely, 2393575065 is an apocalyptic number.

It is an amenable number.

393575065 is a deficient number, since it is larger than the sum of its proper divisors (115045103).

393575065 is a wasteful number, since it uses less digits than its factorization.

393575065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6055019.

The product of its (nonzero) digits is 425250, while the sum is 43.

The square root of 393575065 is about 19838.7263956132. The cubic root of 393575065 is about 732.8400437136.

The spelling of 393575065 in words is "three hundred ninety-three million, five hundred seventy-five thousand, sixty-five".

Divisors: 1 5 13 65 6055001 30275005 78715013 393575065