Search a number
2061311 = 7389757
BaseRepresentation
bin111110111001111111111
310212201120212
413313033333
51011430221
6112103035
723343440
oct7671777
93781525
102061311
11118876a
12834a7b
13572315
143b92c7
152aab5b
hex1f73ff

2061311 has 8 divisors (see below), whose sum is σ = 2364960. Its totient is φ = 1759968.

The previous prime is 2061289. The next prime is 2061313. The reversal of 2061311 is 1131602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2061311 - 26 = 2061247 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 (2061313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2345 + ... + 3101.

It is an arithmetic number, because the mean of its divisors is an integer number (295620).

22061311 is an apocalyptic number.

2061311 is a deficient number, since it is larger than the sum of its proper divisors (303649).

2061311 is an equidigital number, since it uses as much as digits as its factorization.

2061311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2061311 is about 1435.7266452915. The cubic root of 2061311 is about 127.2666190791.

Adding to 2061311 its reverse (1131602), we get a palindrome (3192913).

The spelling of 2061311 in words is "two million, sixty-one thousand, three hundred eleven".

Divisors: 1 7 389 757 2723 5299 294473 2061311