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3862069 = 14092741
BaseRepresentation
bin1110101110111000110101
321021012202121
432232320311
51442041234
6214435541
744553451
oct16567065
97235677
103862069
1121a86a2
121362bb1
13a52b63
14727661
155144b4
hex3aee35

3862069 has 4 divisors (see below), whose sum is σ = 3866220. Its totient is φ = 3857920.

The previous prime is 3862063. The next prime is 3862087. The reversal of 3862069 is 9602683.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9602683 = 29331127.

It can be written as a sum of positive squares in 2 ways, for example, as 439569 + 3422500 = 663^2 + 1850^2 .

It is a cyclic number.

It is not a de Polignac number, because 3862069 - 217 = 3730997 is a prime.

It is a super-2 number, since 2×38620692 = 29831153921522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3862063) 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, 39 + ... + 2779.

It is an arithmetic number, because the mean of its divisors is an integer number (966555).

Almost surely, 23862069 is an apocalyptic number.

It is an amenable number.

3862069 is a deficient number, since it is larger than the sum of its proper divisors (4151).

3862069 is a wasteful number, since it uses less digits than its factorization.

3862069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4150.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 3862069 is about 1965.2147465354. The cubic root of 3862069 is about 156.8941231060.

The spelling of 3862069 in words is "three million, eight hundred sixty-two thousand, sixty-nine".

Divisors: 1 1409 2741 3862069