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3868269 = 31289423
BaseRepresentation
bin1110110000011001101101
321021112021020
432300121231
51442241034
6214524353
744610516
oct16603155
97245236
103868269
112202319
1213666b9
13a55922
14729a0d
15516249
hex3b066d

3868269 has 4 divisors (see below), whose sum is σ = 5157696. Its totient is φ = 2578844.

The previous prime is 3868261. The next prime is 3868279. The reversal of 3868269 is 9628683.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9628683 = 33209561.

It is a cyclic number.

It is not a de Polignac number, because 3868269 - 23 = 3868261 is a prime.

It is a super-2 number, since 2×38682692 = 29927010112722, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 3868269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3868261) 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, 644709 + ... + 644714.

It is an arithmetic number, because the mean of its divisors is an integer number (1289424).

Almost surely, 23868269 is an apocalyptic number.

It is an amenable number.

3868269 is a deficient number, since it is larger than the sum of its proper divisors (1289427).

3868269 is a wasteful number, since it uses less digits than its factorization.

3868269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289426.

The product of its digits is 124416, while the sum is 42.

The square root of 3868269 is about 1966.7915497073. The cubic root of 3868269 is about 156.9780352520.

The spelling of 3868269 in words is "three million, eight hundred sixty-eight thousand, two hundred sixty-nine".

Divisors: 1 3 1289423 3868269