Search a number
-
+
125472205 = 5211118931
BaseRepresentation
bin1110111101010…
…00110111001101
322202002122111201
413132220313031
5224110102310
620241145501
73052332115
oct736506715
9282078451
10125472205
116490a141
123602b291
131ccc1911
1412942045
15b036e3a
hex77a8dcd

125472205 has 8 divisors (see below), whose sum is σ = 151281504. Its totient is φ = 99901200.

The previous prime is 125472167. The next prime is 125472209. The reversal of 125472205 is 502274521.

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

It is not a de Polignac number, because 125472205 - 219 = 124947917 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 (125472209) 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, 58411 + ... + 60520.

It is an arithmetic number, because the mean of its divisors is an integer number (18910188).

Almost surely, 2125472205 is an apocalyptic number.

It is an amenable number.

125472205 is a deficient number, since it is larger than the sum of its proper divisors (25809299).

125472205 is a wasteful number, since it uses less digits than its factorization.

125472205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119147.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 125472205 is about 11201.4376309472. The cubic root of 125472205 is about 500.6288155172.

The spelling of 125472205 in words is "one hundred twenty-five million, four hundred seventy-two thousand, two hundred five".

Divisors: 1 5 211 1055 118931 594655 25094441 125472205