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331289368 = 231091812099
BaseRepresentation
bin10011101111110…
…001001100011000
3212002101020120121
4103233301030120
51134302224433
652512403024
711131625134
oct2357611430
9762336517
10331289368
11160005673
1292b46474
1353834917
1431dda3c4
151e13ec2d
hex13bf1318

331289368 has 32 divisors (see below), whose sum is σ = 630630000. Its totient is φ = 163140480.

The previous prime is 331289347. The next prime is 331289369. The reversal of 331289368 is 863982133.

331289368 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331289369) 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, 156783 + ... + 158881.

Almost surely, 2331289368 is an apocalyptic number.

It is an amenable number.

331289368 is a deficient number, since it is larger than the sum of its proper divisors (299340632).

331289368 is a wasteful number, since it uses less digits than its factorization.

331289368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395 (or 2391 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 331289368 is about 18201.3562132057. The cubic root of 331289368 is about 691.9411613131.

The spelling of 331289368 in words is "three hundred thirty-one million, two hundred eighty-nine thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 109 181 218 362 436 724 872 1448 2099 4198 8396 16792 19729 39458 78916 157832 228791 379919 457582 759838 915164 1519676 1830328 3039352 41411171 82822342 165644684 331289368