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3102061 = 7143691
BaseRepresentation
bin1011110101010101101101
312211121020011
423311111231
51243231221
6150253221
735236624
oct13652555
95747204
103102061
111829696
121057211
13847c51
145aa6bb
154141e1
hex2f556d

3102061 has 4 divisors (see below), whose sum is σ = 3145824. Its totient is φ = 3058300.

The previous prime is 3102059. The next prime is 3102067. The reversal of 3102061 is 1602013.

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: 1602013 = 7228859.

It is a cyclic number.

It is not a de Polignac number, because 3102061 - 21 = 3102059 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 (3102067) 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, 21775 + ... + 21916.

It is an arithmetic number, because the mean of its divisors is an integer number (786456).

Almost surely, 23102061 is an apocalyptic number.

It is an amenable number.

3102061 is a deficient number, since it is larger than the sum of its proper divisors (43763).

3102061 is an equidigital number, since it uses as much as digits as its factorization.

3102061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43762.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 3102061 is about 1761.2668735884. The cubic root of 3102061 is about 145.8422797958.

Adding to 3102061 its reverse (1602013), we get a palindrome (4704074).

The spelling of 3102061 in words is "three million, one hundred two thousand, sixty-one".

Divisors: 1 71 43691 3102061