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329020989 = 3119970333
BaseRepresentation
bin10011100111000…
…111011000111101
3211221002222221120
4103213013120331
51133212132424
652352021153
711103426603
oct2347073075
9757088846
10329020989
111597a6380
12922317b9
135321c29b
14319a9873
151dd42a79
hex139c763d

329020989 has 8 divisors (see below), whose sum is σ = 478576032. Its totient is φ = 199406640.

The previous prime is 329020961. The next prime is 329020999. The reversal of 329020989 is 989020923.

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

It is not a de Polignac number, because 329020989 - 28 = 329020733 is a prime.

It is a super-2 number, since 2×3290209892 = 216509622405076242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 329020989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329020999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4985134 + ... + 4985199.

It is an arithmetic number, because the mean of its divisors is an integer number (59822004).

Almost surely, 2329020989 is an apocalyptic number.

It is an amenable number.

329020989 is a deficient number, since it is larger than the sum of its proper divisors (149555043).

329020989 is a wasteful number, since it uses less digits than its factorization.

329020989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9970347.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 329020989 is about 18138.9357185034. The cubic root of 329020989 is about 690.3582743456.

The spelling of 329020989 in words is "three hundred twenty-nine million, twenty thousand, nine hundred eighty-nine".

Divisors: 1 3 11 33 9970333 29910999 109673663 329020989