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3899031 = 34912647
BaseRepresentation
bin1110110111111010010111
321100002110120
432313322113
51444232111
6215323023
745066303
oct16677227
97302416
103899031
112223444
121380473
13a66926
14736d03
15520406
hex3b7e97

3899031 has 8 divisors (see below), whose sum is σ = 5211264. Its totient is φ = 2593080.

The previous prime is 3899011. The next prime is 3899033. The reversal of 3899031 is 1309983.

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

It is not a de Polignac number, because 3899031 - 210 = 3898007 is a prime.

It is a super-2 number, since 2×38990312 = 30404885477922, which contains 22 as substring.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 3898983 and 3899001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3899033) 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, 150 + ... + 2796.

It is an arithmetic number, because the mean of its divisors is an integer number (651408).

Almost surely, 23899031 is an apocalyptic number.

3899031 is a deficient number, since it is larger than the sum of its proper divisors (1312233).

3899031 is a wasteful number, since it uses less digits than its factorization.

3899031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3141.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 3899031 is about 1974.5964144604. The cubic root of 3899031 is about 157.3930541301.

The spelling of 3899031 in words is "three million, eight hundred ninety-nine thousand, thirty-one".

Divisors: 1 3 491 1473 2647 7941 1299677 3899031