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3206301989 = 11557523307
BaseRepresentation
bin1011111100011100…
…0100100100100101
322021110020000110112
42333013010210211
523031303130424
61250054102405
7142312055132
oct27707044445
98243200415
103206301989
1113a5968160
1275594aa05
133c1367117
14225b89589
1513b74560e
hexbf1c4925

3206301989 has 8 divisors (see below), whose sum is σ = 3504070368. Its totient is φ = 2909581360.

The previous prime is 3206301941. The next prime is 3206302013. The reversal of 3206301989 is 9891036023.

3206301989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3206301989 - 28 = 3206301733 is a prime.

It is a super-2 number, since 2×32063019892 = 20560744889330712242, which contains 22 as substring.

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 (3206301929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255527 + ... + 267780.

It is an arithmetic number, because the mean of its divisors is an integer number (438008796).

Almost surely, 23206301989 is an apocalyptic number.

It is an amenable number.

3206301989 is a deficient number, since it is larger than the sum of its proper divisors (297768379).

3206301989 is a wasteful number, since it uses less digits than its factorization.

3206301989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523875.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 3206301989 is about 56624.2173367544. The cubic root of 3206301989 is about 1474.5793286998.

The spelling of 3206301989 in words is "three billion, two hundred six million, three hundred one thousand, nine hundred eighty-nine".

Divisors: 1 11 557 6127 523307 5756377 291481999 3206301989