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3992894079 = 31330964693
BaseRepresentation
bin1110110111111110…
…1011101001111111
3101022021100000221220
43231333223221333
531134140102304
61500113324423
7200643016416
oct35577535177
911267300856
103992894079
111769980469
12935266713
134b8304225
1429c42447d
1518581ead9
hexedfeba7f

3992894079 has 4 divisors (see below), whose sum is σ = 5323858776. Its totient is φ = 2661929384.

The previous prime is 3992894063. The next prime is 3992894117. The reversal of 3992894079 is 9704982993.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9704982993 = 33234994331.

It is a cyclic number.

It is not a de Polignac number, because 3992894079 - 24 = 3992894063 is a prime.

It is a super-2 number, since 2×39928940792 = 31886406252226516482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3992894039) 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, 665482344 + ... + 665482349.

It is an arithmetic number, because the mean of its divisors is an integer number (1330964694).

Almost surely, 23992894079 is an apocalyptic number.

3992894079 is a deficient number, since it is larger than the sum of its proper divisors (1330964697).

3992894079 is a wasteful number, since it uses less digits than its factorization.

3992894079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330964696.

The product of its (nonzero) digits is 8817984, while the sum is 60.

The square root of 3992894079 is about 63189.3509936603. The cubic root of 3992894079 is about 1586.4604992511.

The spelling of 3992894079 in words is "three billion, nine hundred ninety-two million, eight hundred ninety-four thousand, seventy-nine".

Divisors: 1 3 1330964693 3992894079