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315127914 = 2352521319
BaseRepresentation
bin10010110010000…
…111100001101010
3210221222011020020
4102302013201222
51121133043124
651134141310
710544354163
oct2262074152
9727864206
10315127914
111519772a2
1289651836
135039672a
142dbd076a
151c9eb379
hex12c8786a

315127914 has 8 divisors (see below), whose sum is σ = 630255840. Its totient is φ = 105042636.

The previous prime is 315127913. The next prime is 315127921. The reversal of 315127914 is 419721513.

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

315127914 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (315127913) 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 3 ways as a sum of consecutive naturals, for example, 26260654 + ... + 26260665.

It is an arithmetic number, because the mean of its divisors is an integer number (78781980).

Almost surely, 2315127914 is an apocalyptic number.

315127914 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315127914 is a wasteful number, since it uses less digits than its factorization.

315127914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52521324.

The product of its digits is 7560, while the sum is 33.

The square root of 315127914 is about 17751.8425522536. The cubic root of 315127914 is about 680.5012984586.

The spelling of 315127914 in words is "three hundred fifteen million, one hundred twenty-seven thousand, nine hundred fourteen".

Divisors: 1 2 3 6 52521319 105042638 157563957 315127914