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319430 = 25171879
BaseRepresentation
bin1001101111111000110
3121020011202
41031333012
540210210
610502502
72500166
oct1157706
9536152
10319430
111a8aa1
12134a32
13b2517
14845a6
15649a5
hex4dfc6

319430 has 16 divisors (see below), whose sum is σ = 609120. Its totient is φ = 120192.

The previous prime is 319427. The next prime is 319433. The reversal of 319430 is 34913.

319430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (319427) and next prime (319433).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319433) 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, 770 + ... + 1109.

It is an arithmetic number, because the mean of its divisors is an integer number (38070).

2319430 is an apocalyptic number.

319430 is a deficient number, since it is larger than the sum of its proper divisors (289690).

319430 is a wasteful number, since it uses less digits than its factorization.

319430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 319430 is about 565.1813868131. The cubic root of 319430 is about 68.3584018011.

The spelling of 319430 in words is "three hundred nineteen thousand, four hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 1879 3758 9395 18790 31943 63886 159715 319430