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4256893 = 19224047
BaseRepresentation
bin10000001111010001111101
322000021100201
4100033101331
52042210033
6231123501
751116524
oct20172175
98007321
104256893
1124482a3
121513591
13b60794
147cb4bb
1559147d
hex40f47d

4256893 has 4 divisors (see below), whose sum is σ = 4480960. Its totient is φ = 4032828.

The previous prime is 4256839. The next prime is 4256897. The reversal of 4256893 is 3986524.

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 4256893 - 29 = 4256381 is a prime.

It is a super-2 number, since 2×42568932 = 36242276026898, which contains 22 as substring.

It is a d-powerful number, because it can be written as 411 + 27 + 55 + 62 + 8 + 95 + 35 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256897) 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, 112005 + ... + 112042.

It is an arithmetic number, because the mean of its divisors is an integer number (1120240).

Almost surely, 24256893 is an apocalyptic number.

It is an amenable number.

4256893 is a deficient number, since it is larger than the sum of its proper divisors (224067).

4256893 is a wasteful number, since it uses less digits than its factorization.

4256893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224066.

The product of its digits is 51840, while the sum is 37.

The square root of 4256893 is about 2063.2239335564. The cubic root of 4256893 is about 162.0681139166.

The spelling of 4256893 in words is "four million, two hundred fifty-six thousand, eight hundred ninety-three".

Divisors: 1 19 224047 4256893