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331004497 = 4365911681
BaseRepresentation
bin10011101110101…
…011101001010001
3212001211202210211
4103232223221101
51134214120442
652502324121
711126330455
oct2356535121
9761752724
10331004497
1115a93063a
1292a29641
1353765065
1431d64665
151e0d5617
hex13baba51

331004497 has 8 divisors (see below), whose sum is σ = 339245280. Its totient is φ = 322788480.

The previous prime is 331004447. The next prime is 331004519. The reversal of 331004497 is 794400133.

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 331004497 - 219 = 330480209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331004407) 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, 22497 + ... + 34177.

It is an arithmetic number, because the mean of its divisors is an integer number (42405660).

Almost surely, 2331004497 is an apocalyptic number.

It is an amenable number.

331004497 is a deficient number, since it is larger than the sum of its proper divisors (8240783).

331004497 is a wasteful number, since it uses less digits than its factorization.

331004497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12383.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 331004497 is about 18193.5289869778. The cubic root of 331004497 is about 691.7427743287.

The spelling of 331004497 in words is "three hundred thirty-one million, four thousand, four hundred ninety-seven".

Divisors: 1 43 659 11681 28337 502283 7697779 331004497