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3102081 = 31034027
BaseRepresentation
bin1011110101010110000001
312211121020220
423311112001
51243231311
6150253253
735236653
oct13652601
95747226
103102081
111829704
121057229
13847c68
145aa6d3
15414206
hex2f5581

3102081 has 4 divisors (see below), whose sum is σ = 4136112. Its totient is φ = 2068052.

The previous prime is 3102067. The next prime is 3102097. The reversal of 3102081 is 1802013.

It is a happy number.

3102081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 3102081 - 26 = 3102017 is a prime.

It is a super-2 number, since 2×31020812 = 19245813061122, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 3102081.

It is not an unprimeable number, because it can be changed into a prime (3102181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517011 + ... + 517016.

It is an arithmetic number, because the mean of its divisors is an integer number (1034028).

Almost surely, 23102081 is an apocalyptic number.

It is an amenable number.

3102081 is a deficient number, since it is larger than the sum of its proper divisors (1034031).

3102081 is a wasteful number, since it uses less digits than its factorization.

3102081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034030.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 3102081 is about 1761.2725513106. The cubic root of 3102081 is about 145.8425932261.

Adding to 3102081 its reverse (1802013), we get a palindrome (4904094).

The spelling of 3102081 in words is "three million, one hundred two thousand, eighty-one".

Divisors: 1 3 1034027 3102081