Search a number
-
+
319960393 = 29311512357
BaseRepresentation
bin10011000100100…
…011010101001001
3211022001200010221
4103010203111021
51123402213033
651425510041
710633422064
oct2304432511
9738050127
10319960393
11154677a85
128b1a2321
135139919c
14306cb8db
151d15312d
hex13123549

319960393 has 16 divisors (see below), whose sum is σ = 344079360. Its totient is φ = 296856000.

The previous prime is 319960379. The next prime is 319960409. The reversal of 319960393 is 393069913.

It is not a de Polignac number, because 319960393 - 29 = 319959881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (319960313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134571 + ... + 136927.

It is an arithmetic number, because the mean of its divisors is an integer number (21504960).

Almost surely, 2319960393 is an apocalyptic number.

It is an amenable number.

319960393 is a deficient number, since it is larger than the sum of its proper divisors (24118967).

319960393 is a wasteful number, since it uses less digits than its factorization.

319960393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568.

The product of its (nonzero) digits is 118098, while the sum is 43.

The square root of 319960393 is about 17887.4367364360. The cubic root of 319960393 is about 683.9621579158.

The spelling of 319960393 in words is "three hundred nineteen million, nine hundred sixty thousand, three hundred ninety-three".

Divisors: 1 29 31 151 899 2357 4379 4681 68353 73067 135749 355907 2118943 10321303 11033117 319960393