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103220323 = 591749497
BaseRepresentation
bin1100010011100…
…00010001100011
321012020010122221
412021300101203
5202411022243
614124211511
72362233613
oct611602143
9235203587
10103220323
11532a0a58
122a699b97
131850051b
14d9cca43
1590ddbed
hex6270463

103220323 has 4 divisors (see below), whose sum is σ = 104969880. Its totient is φ = 101470768.

The previous prime is 103220303. The next prime is 103220347. The reversal of 103220323 is 323022301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323022301 = 746146043.

It is a cyclic number.

It is not a de Polignac number, because 103220323 - 25 = 103220291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103220297 and 103220306.

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 3 ways as a sum of consecutive naturals, for example, 874690 + ... + 874807.

It is an arithmetic number, because the mean of its divisors is an integer number (26242470).

Almost surely, 2103220323 is an apocalyptic number.

103220323 is a deficient number, since it is larger than the sum of its proper divisors (1749557).

103220323 is an equidigital number, since it uses as much as digits as its factorization.

103220323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749556.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 103220323 is about 10159.7403017991. The cubic root of 103220323 is about 469.0888080197.

Adding to 103220323 its reverse (323022301), we get a palindrome (426242624).

The spelling of 103220323 in words is "one hundred three million, two hundred twenty thousand, three hundred twenty-three".

Divisors: 1 59 1749497 103220323