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331620086 = 2723687149
BaseRepresentation
bin10011110001000…
…001111011110110
3212010000001020102
4103301001323312
51134343320321
652523434102
711134503260
oct2361017366
9763001212
10331620086
11160211096
1293085932
135391c305
1432084b30
151e1a7c0b
hex13c41ef6

331620086 has 8 divisors (see below), whose sum is σ = 568491600. Its totient is φ = 142122888.

The previous prime is 331620043. The next prime is 331620089. The reversal of 331620086 is 680026133.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331620089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11843561 + ... + 11843588.

It is an arithmetic number, because the mean of its divisors is an integer number (71061450).

Almost surely, 2331620086 is an apocalyptic number.

331620086 is a deficient number, since it is larger than the sum of its proper divisors (236871514).

331620086 is a wasteful number, since it uses less digits than its factorization.

331620086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23687158.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 331620086 is about 18210.4389293614. The cubic root of 331620086 is about 692.1713339997.

The spelling of 331620086 in words is "three hundred thirty-one million, six hundred twenty thousand, eighty-six".

Divisors: 1 2 7 14 23687149 47374298 165810043 331620086