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4278996 = 2232118861
BaseRepresentation
bin10000010100101011010100
322001101200100
4100110223110
52043411441
6231414100
751241131
oct20245324
98041610
104278996
112462967
121524330
13b6a867
147d5588
15597cb6
hex414ad4

4278996 has 18 divisors (see below), whose sum is σ = 10816442. Its totient is φ = 1426320.

The previous prime is 4278991. The next prime is 4279007. The reversal of 4278996 is 6998724.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2924100 + 1354896 = 1710^2 + 1164^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4278991) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59395 + ... + 59466.

Almost surely, 24278996 is an apocalyptic number.

It is an amenable number.

4278996 is an abundant number, since it is smaller than the sum of its proper divisors (6537446).

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

4278996 is a wasteful number, since it uses less digits than its factorization.

4278996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118871 (or 118866 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 4278996 is about 2068.5734214671. The cubic root of 4278996 is about 162.3481310892.

The spelling of 4278996 in words is "four million, two hundred seventy-eight thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 36 118861 237722 356583 475444 713166 1069749 1426332 2139498 4278996