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3899029 = 23169523
BaseRepresentation
bin1110110111111010010101
321100002110111
432313322111
51444232104
6215323021
745066301
oct16677225
97302414
103899029
112223442
121380471
13a66924
14736d01
15520404
hex3b7e95

3899029 has 4 divisors (see below), whose sum is σ = 4068576. Its totient is φ = 3729484.

The previous prime is 3899011. The next prime is 3899033. The reversal of 3899029 is 9209983.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3899029 is a prime.

It is a pancake number, because a pancake can be divided into 3899029 parts by 2792 straight cuts.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3898982 and 3899000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3899429) 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, 84739 + ... + 84784.

It is an arithmetic number, because the mean of its divisors is an integer number (1017144).

Almost surely, 23899029 is an apocalyptic number.

It is an amenable number.

3899029 is a deficient number, since it is larger than the sum of its proper divisors (169547).

3899029 is a wasteful number, since it uses less digits than its factorization.

3899029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169546.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 3899029 is about 1974.5959080278. The cubic root of 3899029 is about 157.3930272186.

The spelling of 3899029 in words is "three million, eight hundred ninety-nine thousand, twenty-nine".

Divisors: 1 23 169523 3899029