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331333629 = 31110040413
BaseRepresentation
bin10011101111111…
…011111111111101
3212002110111021220
4103233323333331
51134310134004
652513343553
711132201154
oct2357737775
9762414256
10331333629
11160035950
1292b67bb9
135384bb03
143200c59b
151e14cdd9
hex13bfbffd

331333629 has 8 divisors (see below), whose sum is σ = 481939872. Its totient is φ = 200808240.

The previous prime is 331333627. The next prime is 331333633. The reversal of 331333629 is 926333133.

It is a happy number.

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

It is not a de Polignac number, because 331333629 - 21 = 331333627 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 10040413 = 331333629 / (3 + 3 + 1 + 3 + 3 + 3 + 6 + 2 + 9).

It is a self number, because there is not a number n which added to its sum of digits gives 331333629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331333627) 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, 5020174 + ... + 5020239.

It is an arithmetic number, because the mean of its divisors is an integer number (60242484).

Almost surely, 2331333629 is an apocalyptic number.

It is an amenable number.

331333629 is a deficient number, since it is larger than the sum of its proper divisors (150606243).

331333629 is a wasteful number, since it uses less digits than its factorization.

331333629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10040427.

The product of its digits is 26244, while the sum is 33.

The square root of 331333629 is about 18202.5720435327. The cubic root of 331333629 is about 691.9719749028.

The spelling of 331333629 in words is "three hundred thirty-one million, three hundred thirty-three thousand, six hundred twenty-nine".

Divisors: 1 3 11 33 10040413 30121239 110444543 331333629