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3881940425 = 521114116147
BaseRepresentation
bin1110011101100001…
…1011010111001001
3101000112120000011022
43213120123113021
530422234043200
61441111242225
7165124643366
oct34730332711
911015500138
103881940425
111712288330
12904079375
1349b326a8c
1428b7c146d
1517ac04885
hexe761b5c9

3881940425 has 12 divisors (see below), whose sum is σ = 5251207056. Its totient is φ = 2823229200.

The previous prime is 3881940383. The next prime is 3881940451. The reversal of 3881940425 is 5240491883.

It is a happy number.

It is not a de Polignac number, because 3881940425 - 210 = 3881939401 is a prime.

It is a super-2 number, since 2×38819404252 = 30138922926498361250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7057799 + ... + 7058348.

It is an arithmetic number, because the mean of its divisors is an integer number (437600588).

Almost surely, 23881940425 is an apocalyptic number.

It is an amenable number.

3881940425 is a deficient number, since it is larger than the sum of its proper divisors (1369266631).

3881940425 is a wasteful number, since it uses less digits than its factorization.

3881940425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14116168 (or 14116163 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 3881940425 is about 62305.2198856565. The cubic root of 3881940425 is about 1571.6275095542.

The spelling of 3881940425 in words is "three billion, eight hundred eighty-one million, nine hundred forty thousand, four hundred twenty-five".

Divisors: 1 5 11 25 55 275 14116147 70580735 155277617 352903675 776388085 3881940425