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125033530 = 2561204973
BaseRepresentation
bin1110111001111…
…01110000111010
322201021100202111
413130331300322
5224002033110
620223522534
73045524146
oct734756072
9281240674
10125033530
116463a5a6
1235a5944a
131cb9a04b
141286a226
15ae9be8a
hex773dc3a

125033530 has 16 divisors (see below), whose sum is σ = 228750984. Its totient is φ = 49193280.

The previous prime is 125033527. The next prime is 125033539. The reversal of 125033530 is 35330521.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 43546801 + 81486729 = 6599^2 + 9027^2 .

It is not an unprimeable number, because it can be changed into a prime (125033539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101877 + ... + 103096.

Almost surely, 2125033530 is an apocalyptic number.

125033530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125033530 is a deficient number, since it is larger than the sum of its proper divisors (103717454).

125033530 is a wasteful number, since it uses less digits than its factorization.

125033530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205041.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 125033530 is about 11181.8392941412. The cubic root of 125033530 is about 500.0447026699.

The spelling of 125033530 in words is "one hundred twenty-five million, thirty-three thousand, five hundred thirty".

Divisors: 1 2 5 10 61 122 305 610 204973 409946 1024865 2049730 12503353 25006706 62516765 125033530