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331916927 = 1313118147
BaseRepresentation
bin10011110010001…
…010011001111111
3212010120010102112
4103302022121333
51134432320202
652534044235
711140150556
oct2362123177
9763503375
10331916927
111603a4111
12931a967b
13539c4464
1432120d9d
151e215b52
hex13c8a67f

331916927 has 8 divisors (see below), whose sum is σ = 335567232. Its totient is φ = 328283800.

The previous prime is 331916873. The next prime is 331916929. The reversal of 331916927 is 729619133.

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

It is a cyclic number.

It is not a de Polignac number, because 331916927 - 28 = 331916671 is a prime.

It is a super-2 number, since 2×3319169272 = 220337692858246658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331916929) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 36668 + ... + 44814.

It is an arithmetic number, because the mean of its divisors is an integer number (41945904).

Almost surely, 2331916927 is an apocalyptic number.

331916927 is a deficient number, since it is larger than the sum of its proper divisors (3650305).

331916927 is a wasteful number, since it uses less digits than its factorization.

331916927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8589.

The product of its digits is 61236, while the sum is 41.

The square root of 331916927 is about 18218.5874040772. The cubic root of 331916927 is about 692.3777987311.

The spelling of 331916927 in words is "three hundred thirty-one million, nine hundred sixteen thousand, nine hundred twenty-seven".

Divisors: 1 131 311 8147 40741 1067257 2533717 331916927