Search a number
-
+
125841305 = 5191131771
BaseRepresentation
bin1111000000000…
…10111110011001
322202210101211002
413200002332121
5224203410210
620253114345
73055430162
oct740027631
9282711732
10125841305
1165041487
12361889b5
13200c0915
14129da769
15b0ab4a5
hex7802f99

125841305 has 8 divisors (see below), whose sum is σ = 151801344. Its totient is φ = 100145200.

The previous prime is 125841299. The next prime is 125841319. The reversal of 125841305 is 503148521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125841305 - 218 = 125579161 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64931 + ... + 66840.

It is an arithmetic number, because the mean of its divisors is an integer number (18975168).

Almost surely, 2125841305 is an apocalyptic number.

It is an amenable number.

125841305 is a deficient number, since it is larger than the sum of its proper divisors (25960039).

125841305 is a wasteful number, since it uses less digits than its factorization.

125841305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131967.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 125841305 is about 11217.9010960161. The cubic root of 125841305 is about 501.1192327666.

Adding to 125841305 its reverse (503148521), we get a palindrome (628989826).

The spelling of 125841305 in words is "one hundred twenty-five million, eight hundred forty-one thousand, three hundred five".

Divisors: 1 5 191 955 131771 658855 25168261 125841305