Search a number
-
+
125306417 = 225155667
BaseRepresentation
bin1110111100000…
…00011000110001
322201210020002102
413132000120301
5224034301132
620233430145
73051041555
oct736003061
9281706072
10125306417
1164806625
1235b6b355
131cc64312
14128db865
15b002c62
hex7780631

125306417 has 4 divisors (see below), whose sum is σ = 125364336. Its totient is φ = 125248500.

The previous prime is 125306411. The next prime is 125306449. The reversal of 125306417 is 714603521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 714603521 = 1674279063.

It is a cyclic number.

It is not a de Polignac number, because 125306417 - 26 = 125306353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125306417.

It is not an unprimeable number, because it can be changed into a prime (125306411) 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, 25583 + ... + 30084.

It is an arithmetic number, because the mean of its divisors is an integer number (31341084).

Almost surely, 2125306417 is an apocalyptic number.

It is an amenable number.

125306417 is a deficient number, since it is larger than the sum of its proper divisors (57919).

125306417 is an equidigital number, since it uses as much as digits as its factorization.

125306417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57918.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 125306417 is about 11194.0348847053. The cubic root of 125306417 is about 500.4082226179.

Adding to 125306417 its reverse (714603521), we get a palindrome (839909938).

The spelling of 125306417 in words is "one hundred twenty-five million, three hundred six thousand, four hundred seventeen".

Divisors: 1 2251 55667 125306417