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317443430 = 2531744343
BaseRepresentation
bin10010111010111…
…100110101100110
3211010022210112002
4102322330311212
51122231142210
651255525302
710603140023
oct2272746546
9733283462
10317443430
11153208a47
128a389832
13509c7665
143023454a
151cd074a5
hex12ebcd66

317443430 has 8 divisors (see below), whose sum is σ = 571398192. Its totient is φ = 126977368.

The previous prime is 317443429. The next prime is 317443463. The reversal of 317443430 is 34344713.

317443430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 = 317443393 and 317443402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15872162 + ... + 15872181.

It is an arithmetic number, because the mean of its divisors is an integer number (71424774).

Almost surely, 2317443430 is an apocalyptic number.

317443430 is a deficient number, since it is larger than the sum of its proper divisors (253954762).

317443430 is a wasteful number, since it uses less digits than its factorization.

317443430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31744350.

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 317443430 is about 17816.9422180126. The cubic root of 317443430 is about 682.1639756156.

The spelling of 317443430 in words is "three hundred seventeen million, four hundred forty-three thousand, four hundred thirty".

Divisors: 1 2 5 10 31744343 63488686 158721715 317443430