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3082861 = 23912899
BaseRepresentation
bin1011110000101001101101
312210121220001
423300221231
51242122421
6150024301
735126635
oct13605155
95717801
103082861
111816221
121048091
1383c2a2
145a36c5
1540d691
hex2f0a6d

3082861 has 4 divisors (see below), whose sum is σ = 3096000. Its totient is φ = 3069724.

The previous prime is 3082843. The next prime is 3082873. The reversal of 3082861 is 1682803.

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: 1682803 = 5331751.

It is a cyclic number.

It is not a de Polignac number, because 3082861 - 211 = 3080813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3082801) 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, 6211 + ... + 6688.

It is an arithmetic number, because the mean of its divisors is an integer number (774000).

Almost surely, 23082861 is an apocalyptic number.

It is an amenable number.

3082861 is a deficient number, since it is larger than the sum of its proper divisors (13139).

3082861 is a wasteful number, since it uses less digits than its factorization.

3082861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13138.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 3082861 is about 1755.8077913029. The cubic root of 3082861 is about 145.5407631720.

It can be divided in two parts, 308 and 2861, that multiplied together give a palindrome (881188).

The spelling of 3082861 in words is "three million, eighty-two thousand, eight hundred sixty-one".

Divisors: 1 239 12899 3082861