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319954319 = 1923970459
BaseRepresentation
bin10011000100100…
…001110110001111
3211022001100210222
4103010201312033
51123402014234
651425421555
710633365266
oct2304416617
9738040728
10319954319
11154673463
128b19a8bb
13513964a9
14306c95dd
151d15142e
hex13121d8f

319954319 has 8 divisors (see below), whose sum is σ = 338208000. Its totient is φ = 301842072.

The previous prime is 319954273. The next prime is 319954337. The reversal of 319954319 is 913459913.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-319954319 is a prime.

It is a super-2 number, since 2×3199543192 = 204741532493507522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 319954319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319954339) 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, 30689 + ... + 39770.

It is an arithmetic number, because the mean of its divisors is an integer number (42276000).

Almost surely, 2319954319 is an apocalyptic number.

319954319 is a deficient number, since it is larger than the sum of its proper divisors (18253681).

319954319 is a wasteful number, since it uses less digits than its factorization.

319954319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70717.

The product of its digits is 131220, while the sum is 44.

The square root of 319954319 is about 17887.2669516615. The cubic root of 319954319 is about 683.9578298671.

The spelling of 319954319 in words is "three hundred nineteen million, nine hundred fifty-four thousand, three hundred nineteen".

Divisors: 1 19 239 4541 70459 1338721 16839701 319954319