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2103043225 = 52174948337
BaseRepresentation
bin111110101011001…
…1110010010011001
312102120020122221211
41331112132102121
513301334340400
6544403303121
7103054400233
oct17526362231
95376218854
102103043225
1198a127558
124a837aaa1
1327691509a
1415d43d253
15c4968dba
hex7d59e499

2103043225 has 12 divisors (see below), whose sum is σ = 2761172604. Its totient is φ = 1583467520.

The previous prime is 2103043219. The next prime is 2103043277. The reversal of 2103043225 is 5223403012.

It can be written as a sum of positive squares in 6 ways, for example, as 239135296 + 1863907929 = 15464^2 + 43173^2 .

It is not a de Polignac number, because 2103043225 - 29 = 2103042713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2103043196 and 2103043205.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2473744 + ... + 2474593.

It is an arithmetic number, because the mean of its divisors is an integer number (230097717).

Almost surely, 22103043225 is an apocalyptic number.

2103043225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2103043225 is a deficient number, since it is larger than the sum of its proper divisors (658129379).

2103043225 is a wasteful number, since it uses less digits than its factorization.

2103043225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4948364 (or 4948359 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2103043225 is about 45858.9492356726. The cubic root of 2103043225 is about 1281.1974522173.

Adding to 2103043225 its reverse (5223403012), we get a palindrome (7326446237).

The spelling of 2103043225 in words is "two billion, one hundred three million, forty-three thousand, two hundred twenty-five".

Divisors: 1 5 17 25 85 425 4948337 24741685 84121729 123708425 420608645 2103043225