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125580241 = 177387073
BaseRepresentation
bin1110111110000…
…11001111010001
322202022010201001
413133003033101
5224122031431
620243342001
73053262103
oct737031721
9282263631
10125580241
1164983326
1236081901
132002bb47
141296d573
15b058e61
hex77c33d1

125580241 has 4 divisors (see below), whose sum is σ = 132967332. Its totient is φ = 118193152.

The previous prime is 125580227. The next prime is 125580263. The reversal of 125580241 is 142085521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142085521 = 731946377.

It can be written as a sum of positive squares in 2 ways, for example, as 95648400 + 29931841 = 9780^2 + 5471^2 .

It is a cyclic number.

It is not a de Polignac number, because 125580241 - 215 = 125547473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125580271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3693520 + ... + 3693553.

It is an arithmetic number, because the mean of its divisors is an integer number (33241833).

Almost surely, 2125580241 is an apocalyptic number.

It is an amenable number.

125580241 is a deficient number, since it is larger than the sum of its proper divisors (7387091).

125580241 is an equidigital number, since it uses as much as digits as its factorization.

125580241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7387090.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 125580241 is about 11206.2590100354. The cubic root of 125580241 is about 500.7724606612.

The spelling of 125580241 in words is "one hundred twenty-five million, five hundred eighty thousand, two hundred forty-one".

Divisors: 1 17 7387073 125580241