Search a number
-
+
103222091 = 723641131
BaseRepresentation
bin1100010011100…
…00101101001011
321012020020002102
412021300231023
5202411101331
614124224015
72362242020
oct611605513
9235206072
10103222091
11532a2315
122a69b00b
131850127b
14d9cd547
1590de4cb
hex6270b4b

103222091 has 8 divisors (see below), whose sum is σ = 123097344. Its totient is φ = 84629160.

The previous prime is 103222087. The next prime is 103222099. The reversal of 103222091 is 190222301.

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

It is not a de Polignac number, because 103222091 - 22 = 103222087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103222099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320405 + ... + 320726.

It is an arithmetic number, because the mean of its divisors is an integer number (15387168).

Almost surely, 2103222091 is an apocalyptic number.

103222091 is a deficient number, since it is larger than the sum of its proper divisors (19875253).

103222091 is an equidigital number, since it uses as much as digits as its factorization.

103222091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641161.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 103222091 is about 10159.8273115245. The cubic root of 103222091 is about 469.0914862529.

Adding to 103222091 its reverse (190222301), we get a palindrome (293444392).

The spelling of 103222091 in words is "one hundred three million, two hundred twenty-two thousand, ninety-one".

Divisors: 1 7 23 161 641131 4487917 14746013 103222091