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331369080 = 233572961223
BaseRepresentation
bin10011110000000…
…100101001111000
3212002112021220220
4103300010221320
51134312302310
652514220040
711132406420
oct2360045170
9762467826
10331369080
1116005a549
1292b84620
1353861ca3
143201b480
151e158670
hex13c04a78

331369080 has 256 divisors, whose sum is σ = 1199923200. Its totient is φ = 71608320.

The previous prime is 331369043. The next prime is 331369081. The reversal of 331369080 is 80963133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331369081) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1485849 + ... + 1486071.

It is an arithmetic number, because the mean of its divisors is an integer number (4687200).

Almost surely, 2331369080 is an apocalyptic number.

331369080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331369080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (599961600).

331369080 is an abundant number, since it is smaller than the sum of its proper divisors (868554120).

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

331369080 is a wasteful number, since it uses less digits than its factorization.

331369080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 331369080 is about 18203.5458084407. The cubic root of 331369080 is about 691.9966531741.

The spelling of 331369080 in words is "three hundred thirty-one million, three hundred sixty-nine thousand, eighty".