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3975578382 = 232328808539
BaseRepresentation
bin1110110011110110…
…1000001100001110
3101021001202022021210
43230331220030032
531120222002012
61454254235250
7200342600346
oct35475501416
911231668253
103975578382
111760123976
1292b4b5b26
134b4850859
14299dd7d26
1518404e23c
hexecf6830e

3975578382 has 16 divisors (see below), whose sum is σ = 8296859520. Its totient is φ = 1267575672.

The previous prime is 3975578363. The next prime is 3975578413. The reversal of 3975578382 is 2838755793.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14404132 + ... + 14404407.

It is an arithmetic number, because the mean of its divisors is an integer number (518553720).

Almost surely, 23975578382 is an apocalyptic number.

3975578382 is an abundant number, since it is smaller than the sum of its proper divisors (4321281138).

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

3975578382 is a wasteful number, since it uses less digits than its factorization.

3975578382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28808567.

The product of its digits is 12700800, while the sum is 57.

The square root of 3975578382 is about 63052.1877653742. The cubic root of 3975578382 is about 1584.1638797451.

The spelling of 3975578382 in words is "three billion, nine hundred seventy-five million, five hundred seventy-eight thousand, three hundred eighty-two".

Divisors: 1 2 3 6 23 46 69 138 28808539 57617078 86425617 172851234 662596397 1325192794 1987789191 3975578382