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331360042 = 21312744617
BaseRepresentation
bin10011110000000…
…010011100101010
3212002111211112011
4103300002130222
51134312010132
652514110134
711132341156
oct2360023452
9762454464
10331360042
11160053782
1292b7b34a
135385ab40
1432018066
151e155b47
hex13c0272a

331360042 has 8 divisors (see below), whose sum is σ = 535273956. Its totient is φ = 152935392.

The previous prime is 331360031. The next prime is 331360063. The reversal of 331360042 is 240063133.

It can be written as a sum of positive squares in 2 ways, for example, as 330912481 + 447561 = 18191^2 + 669^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 331359995 and 331360022.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6372283 + ... + 6372334.

Almost surely, 2331360042 is an apocalyptic number.

331360042 is a deficient number, since it is larger than the sum of its proper divisors (203913914).

331360042 is a wasteful number, since it uses less digits than its factorization.

331360042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12744632.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 331360042 is about 18203.2975584096. The cubic root of 331360042 is about 691.9903617778.

The spelling of 331360042 in words is "three hundred thirty-one million, three hundred sixty thousand, forty-two".

Divisors: 1 2 13 26 12744617 25489234 165680021 331360042