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319042207 = 1138777481
BaseRepresentation
bin10011000001000…
…011001010011111
3211020100000122001
4103001003022133
51123133322312
651354103131
710622546131
oct2301031237
9736300561
10319042207
11154100150
128aa1aaa7
1351137293
143052d051
151d021057
hex1304329f

319042207 has 8 divisors (see below), whose sum is σ = 348182352. Its totient is φ = 289924800.

The previous prime is 319042187. The next prime is 319042219. The reversal of 319042207 is 702240913.

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

It is a de Polignac number, because none of the positive numbers 2k-319042207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319042267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38907 + ... + 46387.

It is an arithmetic number, because the mean of its divisors is an integer number (43522794).

Almost surely, 2319042207 is an apocalyptic number.

319042207 is a deficient number, since it is larger than the sum of its proper divisors (29140145).

319042207 is a wasteful number, since it uses less digits than its factorization.

319042207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11369.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 319042207 is about 17861.7526295714. The cubic root of 319042207 is about 683.3072787739.

The spelling of 319042207 in words is "three hundred nineteen million, forty-two thousand, two hundred seven".

Divisors: 1 11 3877 7481 42647 82291 29003837 319042207