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125681341 = 373396793
BaseRepresentation
bin1110111110110…
…11111010111101
322202111021101111
413133123322331
5224133300331
620245442021
73054162622
oct737337275
9282437344
10125681341
1164a42285
1236110311
1320065b76
1412998349
15b078db1
hex77dbebd

125681341 has 4 divisors (see below), whose sum is σ = 129078172. Its totient is φ = 122284512.

The previous prime is 125681329. The next prime is 125681363. The reversal of 125681341 is 143186521.

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

It can be written as a sum of positive squares in 2 ways, for example, as 122014116 + 3667225 = 11046^2 + 1915^2 .

It is a cyclic number.

It is not a de Polignac number, because 125681341 - 29 = 125680829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125681641) 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, 1698360 + ... + 1698433.

It is an arithmetic number, because the mean of its divisors is an integer number (32269543).

Almost surely, 2125681341 is an apocalyptic number.

It is an amenable number.

125681341 is a deficient number, since it is larger than the sum of its proper divisors (3396831).

125681341 is an equidigital number, since it uses as much as digits as its factorization.

125681341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3396830.

The product of its digits is 5760, while the sum is 31.

The square root of 125681341 is about 11210.7689745173. The cubic root of 125681341 is about 500.9068090671.

The spelling of 125681341 in words is "one hundred twenty-five million, six hundred eighty-one thousand, three hundred forty-one".

Divisors: 1 37 3396793 125681341