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331410393 = 3317722027
BaseRepresentation
bin10011110000001…
…110101111011001
3212002121101121000
4103300032233121
51134320113033
652515135213
711132641026
oct2360165731
9762541530
10331410393
11160088596
1292ba4509
1353877a32
143202c54d
151e165a13
hex13c0ebd9

331410393 has 16 divisors (see below), whose sum is σ = 519860160. Its totient is φ = 207943488.

The previous prime is 331410383. The next prime is 331410397. The reversal of 331410393 is 393014133.

It is not a de Polignac number, because 331410393 - 26 = 331410329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (331410397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360555 + ... + 361472.

It is an arithmetic number, because the mean of its divisors is an integer number (32491260).

Almost surely, 2331410393 is an apocalyptic number.

It is an amenable number.

331410393 is a deficient number, since it is larger than the sum of its proper divisors (188449767).

331410393 is a wasteful number, since it uses less digits than its factorization.

331410393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722053 (or 722047 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 331410393 is about 18204.6805245245. The cubic root of 331410393 is about 692.0254099004.

The spelling of 331410393 in words is "three hundred thirty-one million, four hundred ten thousand, three hundred ninety-three".

Divisors: 1 3 9 17 27 51 153 459 722027 2166081 6498243 12274459 19494729 36823377 110470131 331410393