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103221113 = 439412551
BaseRepresentation
bin1100010011100…
…00011101111001
321012020011202012
412021300131321
5202411033423
614124215305
72362236122
oct611603571
9235204665
10103221113
11532a1606
122a69a535
13185009a8
14d9cd049
1590de078
hex6270779

103221113 has 8 divisors (see below), whose sum is σ = 105775296. Its totient is φ = 100674000.

The previous prime is 103221109. The next prime is 103221169. The reversal of 103221113 is 311122301.

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

It is a cyclic number.

It is not a de Polignac number, because 103221113 - 22 = 103221109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103221193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39188 + ... + 41738.

It is an arithmetic number, because the mean of its divisors is an integer number (13221912).

Almost surely, 2103221113 is an apocalyptic number.

It is an amenable number.

103221113 is a deficient number, since it is larger than the sum of its proper divisors (2554183).

103221113 is an equidigital number, since it uses as much as digits as its factorization.

103221113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3535.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 103221113 is about 10159.7791806712. The cubic root of 103221113 is about 469.0900047453.

Adding to 103221113 its reverse (311122301), we get a palindrome (414343414).

The spelling of 103221113 in words is "one hundred three million, two hundred twenty-one thousand, one hundred thirteen".

Divisors: 1 43 941 2551 40463 109693 2400491 103221113