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125203025 = 525008121
BaseRepresentation
bin1110111011001…
…11001001010001
322201120222021002
413131213021101
5224022444100
620231311345
73050131253
oct735471121
9281528232
10125203025
1164745982
1235b1b555
131cc2923c
14128b1cd3
15aed22d5
hex7767251

125203025 has 6 divisors (see below), whose sum is σ = 155251782. Its totient is φ = 100162400.

The previous prime is 125202953. The next prime is 125203037. The reversal of 125203025 is 520302521.

It can be written as a sum of positive squares in 3 ways, for example, as 23435281 + 101767744 = 4841^2 + 10088^2 .

It is not a de Polignac number, because 125203025 - 216 = 125137489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125202988 and 125203006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2504036 + ... + 2504085.

It is an arithmetic number, because the mean of its divisors is an integer number (25875297).

Almost surely, 2125203025 is an apocalyptic number.

It is an amenable number.

125203025 is a deficient number, since it is larger than the sum of its proper divisors (30048757).

125203025 is an equidigital number, since it uses as much as digits as its factorization.

125203025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5008131 (or 5008126 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 125203025 is about 11189.4157577597. The cubic root of 125203025 is about 500.2705535751.

Adding to 125203025 its reverse (520302521), we get a palindrome (645505546).

The spelling of 125203025 in words is "one hundred twenty-five million, two hundred three thousand, twenty-five".

Divisors: 1 5 25 5008121 25040605 125203025