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331102040 = 23519134327
BaseRepresentation
bin10011101111000…
…011011101011000
3212002000201121112
4103233003131120
51134230231130
652504355452
711130215033
oct2357033530
9762021545
10331102040
1115a997955
1292a75b88
135379a589
1431d8c01a
151e104495
hex13bc3758

331102040 has 32 divisors (see below), whose sum is σ = 745541280. Its totient is φ = 132340992.

The previous prime is 331102003. The next prime is 331102061. The reversal of 331102040 is 40201133.

331102040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74357 + ... + 78683.

It is an arithmetic number, because the mean of its divisors is an integer number (23298165).

Almost surely, 2331102040 is an apocalyptic number.

It is an amenable number.

331102040 is an abundant number, since it is smaller than the sum of its proper divisors (414439240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331102040 is a wasteful number, since it uses less digits than its factorization.

331102040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6251 (or 6247 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 331102040 is about 18196.2094953867. The cubic root of 331102040 is about 691.8107170496.

Adding to 331102040 its reverse (40201133), we get a palindrome (371303173).

The spelling of 331102040 in words is "three hundred thirty-one million, one hundred two thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 1913 3826 4327 7652 8654 9565 15304 17308 19130 21635 34616 38260 43270 76520 86540 173080 8277551 16555102 33110204 41387755 66220408 82775510 165551020 331102040