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3872269 = 7154539
BaseRepresentation
bin1110110001011000001101
321021201202101
432301120031
51442403034
6214555101
744625262
oct16613015
97251671
103872269
112205325
121368a91
13a576ab
1472b269
15517514
hex3b160d

3872269 has 4 divisors (see below), whose sum is σ = 3926880. Its totient is φ = 3817660.

The previous prime is 3872249. The next prime is 3872273. The reversal of 3872269 is 9622783.

3872269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 3872269 - 25 = 3872237 is a prime.

It is a super-2 number, since 2×38722692 = 29988934416722, 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 (3872249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27199 + ... + 27340.

It is an arithmetic number, because the mean of its divisors is an integer number (981720).

Almost surely, 23872269 is an apocalyptic number.

It is an amenable number.

3872269 is a deficient number, since it is larger than the sum of its proper divisors (54611).

3872269 is an equidigital number, since it uses as much as digits as its factorization.

3872269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54610.

The product of its digits is 36288, while the sum is 37.

The square root of 3872269 is about 1967.8081715452. The cubic root of 3872269 is about 157.0321245473.

The spelling of 3872269 in words is "three million, eight hundred seventy-two thousand, two hundred sixty-nine".

Divisors: 1 71 54539 3872269