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315348742 = 21734726729
BaseRepresentation
bin10010110010111…
…101011100000110
3210222101101011001
4102302331130012
51121212124432
651143003514
710546264042
oct2262753406
9728341131
10315348742
111520081a5
128973959a
13504430b7
142dc4b022
151ca419e7
hex12cbd706

315348742 has 16 divisors (see below), whose sum is σ = 502310160. Its totient is φ = 147966208.

The previous prime is 315348739. The next prime is 315348749. The reversal of 315348742 is 247843513.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315348749) 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, 1567 + ... + 25162.

It is an arithmetic number, because the mean of its divisors is an integer number (31394385).

Almost surely, 2315348742 is an apocalyptic number.

315348742 is a deficient number, since it is larger than the sum of its proper divisors (186961418).

315348742 is a wasteful number, since it uses less digits than its factorization.

315348742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27095.

The product of its digits is 80640, while the sum is 37.

The square root of 315348742 is about 17758.0613243676. The cubic root of 315348742 is about 680.6602166269.

The spelling of 315348742 in words is "three hundred fifteen million, three hundred forty-eight thousand, seven hundred forty-two".

Divisors: 1 2 17 34 347 694 5899 11798 26729 53458 454393 908786 9274963 18549926 157674371 315348742