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331224093 = 3319645661
BaseRepresentation
bin10011101111100…
…001010000011101
3212002020221001000
4103233201100131
51134243132333
652511140513
711131233624
oct2357412035
9762227030
10331224093
1115aa70622
1292b14739
1353810cb5
1431dc06bb
151e12a713
hex13be141d

331224093 has 16 divisors (see below), whose sum is σ = 516529600. Its totient is φ = 209193840.

The previous prime is 331224071. The next prime is 331224121. The reversal of 331224093 is 390422133.

It is a happy number.

331224093 is a `hidden beast` number, since 331 + 2 + 240 + 93 = 666.

It is not a de Polignac number, because 331224093 - 26 = 331224029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331224013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322318 + ... + 323343.

It is an arithmetic number, because the mean of its divisors is an integer number (32283100).

Almost surely, 2331224093 is an apocalyptic number.

It is an amenable number.

331224093 is a deficient number, since it is larger than the sum of its proper divisors (185305507).

331224093 is a wasteful number, since it uses less digits than its factorization.

331224093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645689 (or 645683 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 331224093 is about 18199.5629892588. The cubic root of 331224093 is about 691.8957132040.

The spelling of 331224093 in words is "three hundred thirty-one million, two hundred twenty-four thousand, ninety-three".

Divisors: 1 3 9 19 27 57 171 513 645661 1936983 5810949 12267559 17432847 36802677 110408031 331224093