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319420330 = 2531942033
BaseRepresentation
bin10011000010011…
…111011110101010
3211021001020022121
4103002133132222
51123232422310
651410141454
710626012415
oct2302373652
9737036277
10319420330
11154339249
128ab8188a
135123a418
14305cab7c
151d0980da
hex1309f7aa

319420330 has 8 divisors (see below), whose sum is σ = 574956612. Its totient is φ = 127768128.

The previous prime is 319420303. The next prime is 319420349. The reversal of 319420330 is 33024913.

It is a happy number.

319420330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 318658201 + 762129 = 17851^2 + 873^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 319420295 and 319420304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15971007 + ... + 15971026.

Almost surely, 2319420330 is an apocalyptic number.

319420330 is a deficient number, since it is larger than the sum of its proper divisors (255536282).

319420330 is a wasteful number, since it uses less digits than its factorization.

319420330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31942040.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 319420330 is about 17872.3342068125. The cubic root of 319420330 is about 683.5771199696.

The spelling of 319420330 in words is "three hundred nineteen million, four hundred twenty thousand, three hundred thirty".

Divisors: 1 2 5 10 31942033 63884066 159710165 319420330