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3896081 = 7556583
BaseRepresentation
bin1110110111001100010001
321022221102022
432313030101
51444133311
6215301225
745054560
oct16671421
97287368
103896081
112221202
12137a815
13a65497
14735bd7
1551e5db
hex3b7311

3896081 has 4 divisors (see below), whose sum is σ = 4452672. Its totient is φ = 3339492.

The previous prime is 3896059. The next prime is 3896089. The reversal of 3896081 is 1806983.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1806983 = 11315991.

It is a cyclic number.

It is not a de Polignac number, because 3896081 - 26 = 3896017 is a prime.

It is a super-2 number, since 2×38960812 = 30358894317122, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3896089) 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, 278285 + ... + 278298.

It is an arithmetic number, because the mean of its divisors is an integer number (1113168).

Almost surely, 23896081 is an apocalyptic number.

It is an amenable number.

3896081 is a deficient number, since it is larger than the sum of its proper divisors (556591).

3896081 is an equidigital number, since it uses as much as digits as its factorization.

3896081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556590.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 3896081 is about 1973.8492850266. The cubic root of 3896081 is about 157.3533496789.

The spelling of 3896081 in words is "three million, eight hundred ninety-six thousand, eighty-one".

Divisors: 1 7 556583 3896081