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3055103221 = 5357643457
BaseRepresentation
bin1011011000011001…
…0010110011110101
321212220201022202011
42312012102303311
522224101300341
61223053244221
7135464643322
oct26606226365
97786638664
103055103221
1113285872a5
12713193671
13398c386b1
1420da6bb49
1512d32ab81
hexb6192cf5

3055103221 has 4 divisors (see below), whose sum is σ = 3112746732. Its totient is φ = 2997459712.

The previous prime is 3055103171. The next prime is 3055103239. The reversal of 3055103221 is 1223015503.

3055103221 = 53162 + 53172 + ... + 54212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1464210225 + 1590892996 = 38265^2 + 39886^2 .

It is a cyclic number.

It is not a de Polignac number, because 3055103221 - 29 = 3055102709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3055103192 and 3055103201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3055103251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28821676 + ... + 28821781.

It is an arithmetic number, because the mean of its divisors is an integer number (778186683).

Almost surely, 23055103221 is an apocalyptic number.

It is an amenable number.

3055103221 is a deficient number, since it is larger than the sum of its proper divisors (57643511).

3055103221 is an equidigital number, since it uses as much as digits as its factorization.

3055103221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57643510.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 3055103221 is about 55272.9881678203. The cubic root of 3055103221 is about 1451.0263397139.

Adding to 3055103221 its reverse (1223015503), we get a palindrome (4278118724).

It can be divided in two parts, 3055 and 103221, that added together give a square (106276 = 3262).

The spelling of 3055103221 in words is "three billion, fifty-five million, one hundred three thousand, two hundred twenty-one".

Divisors: 1 53 57643457 3055103221