Search a number
-
+
4256894 = 22128447
BaseRepresentation
bin10000001111010001111110
322000021100202
4100033101332
52042210034
6231123502
751116525
oct20172176
98007322
104256894
1124482a4
121513592
13b60795
147cb4bc
1559147e
hex40f47e

4256894 has 4 divisors (see below), whose sum is σ = 6385344. Its totient is φ = 2128446.

The previous prime is 4256839. The next prime is 4256897. The reversal of 4256894 is 4986524.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×42568942 = 36242293054472, which contains 22 as substring.

It is a d-powerful number, because it can be written as 46 + 213 + 55 + 66 + 83 + 9 + 411 .

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 as a sum of consecutive naturals, namely, 1064222 + ... + 1064225.

It is an arithmetic number, because the mean of its divisors is an integer number (1596336).

Almost surely, 24256894 is an apocalyptic number.

4256894 is a deficient number, since it is larger than the sum of its proper divisors (2128450).

4256894 is a wasteful number, since it uses less digits than its factorization.

4256894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128449.

The product of its digits is 69120, while the sum is 38.

The square root of 4256894 is about 2063.2241758956. The cubic root of 4256894 is about 162.0681266073.

The spelling of 4256894 in words is "four million, two hundred fifty-six thousand, eight hundred ninety-four".

Divisors: 1 2 2128447 4256894