Search a number
-
+
193895065 = 57131313253
BaseRepresentation
bin10111000111010…
…01101010011001
3111111211220000201
423203221222121
5344114120230
631123502201
74543036510
oct1343515231
9444756021
10193895065
119a4a3261
1254b27961
133122a610
141ba73677
15120505ca
hexb8e9a99

193895065 has 32 divisors (see below), whose sum is σ = 288642816. Its totient is φ = 121754880.

The previous prime is 193895033. The next prime is 193895071. The reversal of 193895065 is 560598391.

It is not a de Polignac number, because 193895065 - 25 = 193895033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57979 + ... + 61231.

It is an arithmetic number, because the mean of its divisors is an integer number (9020088).

Almost surely, 2193895065 is an apocalyptic number.

It is an amenable number.

193895065 is a deficient number, since it is larger than the sum of its proper divisors (94747751).

193895065 is a wasteful number, since it uses less digits than its factorization.

193895065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3409.

The product of its (nonzero) digits is 291600, while the sum is 46.

The square root of 193895065 is about 13924.6208206902. The cubic root of 193895065 is about 578.7916430283.

The spelling of 193895065 in words is "one hundred ninety-three million, eight hundred ninety-five thousand, sixty-five".

Divisors: 1 5 7 13 35 65 91 131 455 655 917 1703 3253 4585 8515 11921 16265 22771 42289 59605 113855 211445 296023 426143 1480115 2130715 2983001 5539859 14915005 27699295 38779013 193895065