[go: up one dir, main page]

Search a number
-
+
4256982 = 233312543
BaseRepresentation
bin10000001111010011010110
322000021111000
4100033103112
52042210412
6231124130
751120012
oct20172326
98007430
104256982
112448374
121513646
13b60832
147cb542
155914dc
hex40f4d6

4256982 has 32 divisors (see below), whose sum is σ = 9768960. Its totient is φ = 1372680.

The previous prime is 4256981. The next prime is 4257017. The reversal of 4256982 is 2896524.

It is a happy number.

It is a d-powerful number, because it can be written as 44 + 25 + 55 + 63 + 95 + 87 + 221 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256981) 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 15 ways as a sum of consecutive naturals, for example, 403 + ... + 2945.

It is an arithmetic number, because the mean of its divisors is an integer number (305280).

Almost surely, 24256982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4256982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4884480).

4256982 is an abundant number, since it is smaller than the sum of its proper divisors (5511978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4256982 is a wasteful number, since it uses less digits than its factorization.

4256982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585 (or 2579 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 4256982 is about 2063.2455016309. The cubic root of 4256982 is about 162.0692433759.

The spelling of 4256982 in words is "four million, two hundred fifty-six thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 9 18 27 31 54 62 93 186 279 558 837 1674 2543 5086 7629 15258 22887 45774 68661 78833 137322 157666 236499 472998 709497 1418994 2128491 4256982