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3361891 = 13258607
BaseRepresentation
bin1100110100110001100011
320022210122111
430310301203
51330040031
6200020151
740401301
oct14646143
96283574
103361891
111996925
121161657
139092b0
14637271
154661b1
hex334c63

3361891 has 4 divisors (see below), whose sum is σ = 3620512. Its totient is φ = 3103272.

The previous prime is 3361889. The next prime is 3361901. The reversal of 3361891 is 1981633.

3361891 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 an emirpimes, since its reverse is a distinct semiprime: 1981633 = 5933587.

It is a cyclic number.

It is not a de Polignac number, because 3361891 - 21 = 3361889 is a prime.

It is a super-2 number, since 2×33618912 = 22604622191762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3361811) 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, 129291 + ... + 129316.

It is an arithmetic number, because the mean of its divisors is an integer number (905128).

Almost surely, 23361891 is an apocalyptic number.

3361891 is a deficient number, since it is larger than the sum of its proper divisors (258621).

3361891 is a wasteful number, since it uses less digits than its factorization.

3361891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258620.

The product of its digits is 3888, while the sum is 31.

The square root of 3361891 is about 1833.5460179663. The cubic root of 3361891 is about 149.8055406052.

The spelling of 3361891 in words is "three million, three hundred sixty-one thousand, eight hundred ninety-one".

Divisors: 1 13 258607 3361891