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3806825481 = 323071377787
BaseRepresentation
bin1110001011100111…
…1000110000001001
3100211022012202211100
43202321320300021
530244021403411
61425425252013
7163223324364
oct34271706011
910738182740
103806825481
111683943368
128a2a94009
134888b7074
1428182b0db
15174318456
hexe2e78c09

3806825481 has 12 divisors (see below), whose sum is σ = 5516663152. Its totient is φ = 2529615096.

The previous prime is 3806825471. The next prime is 3806825483. The reversal of 3806825481 is 1845286083.

3806825481 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3806825481 - 26 = 3806825417 is a prime.

It is a super-2 number, since 2×38068254812 = 28983840485581762722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3806825483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 686131 + ... + 691656.

Almost surely, 23806825481 is an apocalyptic number.

It is an amenable number.

3806825481 is a deficient number, since it is larger than the sum of its proper divisors (1709837671).

3806825481 is a wasteful number, since it uses less digits than its factorization.

3806825481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378100 (or 1378097 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 3806825481 is about 61699.4771533763. The cubic root of 3806825481 is about 1561.4244988860.

The spelling of 3806825481 in words is "three billion, eight hundred six million, eight hundred twenty-five thousand, four hundred eighty-one".

Divisors: 1 3 9 307 921 2763 1377787 4133361 12400083 422980609 1268941827 3806825481