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331490589 = 3153172173
BaseRepresentation
bin10011110000100…
…010010100011101
3212002202110121020
4103300202110131
51134330144324
652520554353
711133423603
oct2360422435
9762673536
10331490589
11160132871
12930229b9
13538a53a1
143204d873
151e17e679
hex13c2251d

331490589 has 8 divisors (see below), whose sum is σ = 442282272. Its totient is φ = 220846320.

The previous prime is 331490563. The next prime is 331490641. The reversal of 331490589 is 985094133.

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

It is not a de Polignac number, because 331490589 - 28 = 331490333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 331490589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331490519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31494 + ... + 40679.

It is an arithmetic number, because the mean of its divisors is an integer number (55285284).

Almost surely, 2331490589 is an apocalyptic number.

It is an amenable number.

331490589 is a deficient number, since it is larger than the sum of its proper divisors (110791683).

331490589 is a wasteful number, since it uses less digits than its factorization.

331490589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73707.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 331490589 is about 18206.8830116525. The cubic root of 331490589 is about 692.0812250820.

The spelling of 331490589 in words is "three hundred thirty-one million, four hundred ninety thousand, five hundred eighty-nine".

Divisors: 1 3 1531 4593 72173 216519 110496863 331490589