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103928211 = 333849193
BaseRepresentation
bin1100011000111…
…01000110010011
321020120002201000
412030131012103
5203101200321
614151313043
72401242462
oct614350623
9236502630
10103928211
1153734892
122a97b783
13186ba7aa
14db349d9
1591cd826
hex631d193

103928211 has 8 divisors (see below), whose sum is σ = 153967760. Its totient is φ = 69285456.

The previous prime is 103928197. The next prime is 103928239. The reversal of 103928211 is 112829301.

It is not a de Polignac number, because 103928211 - 25 = 103928179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 3849193 = 103928211 / (1 + 0 + 3 + 9 + 2 + 8 + 2 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103928711) 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, 1924570 + ... + 1924623.

It is an arithmetic number, because the mean of its divisors is an integer number (19245970).

Almost surely, 2103928211 is an apocalyptic number.

103928211 is a deficient number, since it is larger than the sum of its proper divisors (50039549).

103928211 is an equidigital number, since it uses as much as digits as its factorization.

103928211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3849202 (or 3849196 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 103928211 is about 10194.5186742681. The cubic root of 103928211 is about 470.1587075310.

The spelling of 103928211 in words is "one hundred three million, nine hundred twenty-eight thousand, two hundred eleven".

Divisors: 1 3 9 27 3849193 11547579 34642737 103928211