Search a number
-
+
103220313 = 372702179
BaseRepresentation
bin1100010011100…
…00010001011001
321012020010122120
412021300101121
5202411022223
614124211453
72362233600
oct611602131
9235203576
10103220313
11532a0a49
122a699b89
1318500511
14d9cca37
1590ddbe3
hex6270459

103220313 has 12 divisors (see below), whose sum is σ = 160097040. Its totient is φ = 58982952.

The previous prime is 103220303. The next prime is 103220347. The reversal of 103220313 is 313022301.

It is not a de Polignac number, because 103220313 - 25 = 103220281 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103220292 and 103220301.

It is not an unprimeable number, because it can be changed into a prime (103220303) 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 11 ways as a sum of consecutive naturals, for example, 350943 + ... + 351236.

It is an arithmetic number, because the mean of its divisors is an integer number (13341420).

Almost surely, 2103220313 is an apocalyptic number.

It is an amenable number.

103220313 is a deficient number, since it is larger than the sum of its proper divisors (56876727).

103220313 is an equidigital number, since it uses as much as digits as its factorization.

103220313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702196 (or 702189 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 103220313 is about 10159.7398096605. The cubic root of 103220313 is about 469.0887928713.

Adding to 103220313 its reverse (313022301), we get a palindrome (416242614).

The spelling of 103220313 in words is "one hundred three million, two hundred twenty thousand, three hundred thirteen".

Divisors: 1 3 7 21 49 147 702179 2106537 4915253 14745759 34406771 103220313