Search a number
-
+
102223133 = 397257489
BaseRepresentation
bin1100001011111…
…00110100011101
321010100110202222
412011330310131
5202132120013
614050555125
72350611425
oct605746435
9233313688
10102223133
115277a831
122a298aa5
131824167c
14d80d485
158e93508
hex617cd1d

102223133 has 4 divisors (see below), whose sum is σ = 102481020. Its totient is φ = 101965248.

The previous prime is 102223111. The next prime is 102223183. The reversal of 102223133 is 331322201.

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 37613689 + 64609444 = 6133^2 + 8038^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102223133 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 (102223183) 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, 128348 + ... + 129141.

It is an arithmetic number, because the mean of its divisors is an integer number (25620255).

Almost surely, 2102223133 is an apocalyptic number.

It is an amenable number.

102223133 is a deficient number, since it is larger than the sum of its proper divisors (257887).

102223133 is an equidigital number, since it uses as much as digits as its factorization.

102223133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257886.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 102223133 is about 10110.5456331496. The cubic root of 102223133 is about 467.5733275506.

Adding to 102223133 its reverse (331322201), we get a palindrome (433545334).

The spelling of 102223133 in words is "one hundred two million, two hundred twenty-three thousand, one hundred thirty-three".

Divisors: 1 397 257489 102223133