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103320020 = 2255166001
BaseRepresentation
bin1100010100010…
…00100111010100
321012102012102102
412022020213110
5202422220040
614130301232
72363130356
oct612104724
9235365372
10103320020
1153359951
122a727818
1318536a0b
14da170d6
15910d515
hex62889d4

103320020 has 12 divisors (see below), whose sum is σ = 216972084. Its totient is φ = 41328000.

The previous prime is 103320001. The next prime is 103320037. The reversal of 103320020 is 20023301.

It can be written as a sum of positive squares in 2 ways, for example, as 29463184 + 73856836 = 5428^2 + 8594^2 .

It is a junction number, because it is equal to n+sod(n) for n = 103319983 and 103320010.

It is a congruent number.

It is an unprimeable number.

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, 2582981 + ... + 2583020.

It is an arithmetic number, because the mean of its divisors is an integer number (18081007).

Almost surely, 2103320020 is an apocalyptic number.

103320020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103320020 is an abundant number, since it is smaller than the sum of its proper divisors (113652064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103320020 is a wasteful number, since it uses less digits than its factorization.

103320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5166010 (or 5166008 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 103320020 is about 10164.6455914606. The cubic root of 103320020 is about 469.2397850651.

Adding to 103320020 its reverse (20023301), we get a palindrome (123343321).

The spelling of 103320020 in words is "one hundred three million, three hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 5166001 10332002 20664004 25830005 51660010 103320020