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125230243 = 139900937
BaseRepresentation
bin1110111011011…
…01110010100011
322201122100121011
413131231302203
5224024331433
620232041351
73050303515
oct735556243
9281570534
10125230243
1164764376
1235b33257
131cc38748
14128bbbb5
15aeda3cd
hex776dca3

125230243 has 4 divisors (see below), whose sum is σ = 126131320. Its totient is φ = 124329168.

The previous prime is 125230241. The next prime is 125230249. The reversal of 125230243 is 342032521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125230243 - 21 = 125230241 is a prime.

It is a super-2 number, since 2×1252302432 = 31365227523678098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125230241) 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 3 ways as a sum of consecutive naturals, for example, 450330 + ... + 450607.

It is an arithmetic number, because the mean of its divisors is an integer number (31532830).

Almost surely, 2125230243 is an apocalyptic number.

125230243 is a deficient number, since it is larger than the sum of its proper divisors (901077).

125230243 is an equidigital number, since it uses as much as digits as its factorization.

125230243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901076.

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

The square root of 125230243 is about 11190.6319303246. The cubic root of 125230243 is about 500.3068023728.

Adding to 125230243 its reverse (342032521), we get a palindrome (467262764).

The spelling of 125230243 in words is "one hundred twenty-five million, two hundred thirty thousand, two hundred forty-three".

Divisors: 1 139 900937 125230243