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331049 = 3159181
BaseRepresentation
bin1010000110100101001
3121211010002
41100310221
541043144
611032345
72546105
oct1206451
9554102
10331049
112067a4
1213b6b5
13b78b4
1488905
156814e
hex50d29

331049 has 8 divisors (see below), whose sum is σ = 349440. Its totient is φ = 313200.

The previous prime is 331043. The next prime is 331063. The reversal of 331049 is 940133.

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

It is a cyclic number.

It is not a de Polignac number, because 331049 - 28 = 330793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331049.

It is not an unprimeable number, because it can be changed into a prime (331043) 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, 1739 + ... + 1919.

It is an arithmetic number, because the mean of its divisors is an integer number (43680).

2331049 is an apocalyptic number.

It is an amenable number.

331049 is a deficient number, since it is larger than the sum of its proper divisors (18391).

331049 is a wasteful number, since it uses less digits than its factorization.

331049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 331049 is about 575.3685775223. The cubic root of 331049 is about 69.1773774158.

The spelling of 331049 in words is "three hundred thirty-one thousand, forty-nine".

Divisors: 1 31 59 181 1829 5611 10679 331049