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124047425 = 524961897
BaseRepresentation
bin1110110010011…
…01000001000001
322122102021002002
413121031001001
5223224004200
620150433345
73034246205
oct731150101
9278367062
10124047425
1164026737
1235662855
131c913258
1412690b05
15ad54bd5
hex764d041

124047425 has 6 divisors (see below), whose sum is σ = 153818838. Its totient is φ = 99237920.

The previous prime is 124047311. The next prime is 124047431. The reversal of 124047425 is 524740421.

It can be written as a sum of positive squares in 3 ways, for example, as 2849344 + 121198081 = 1688^2 + 11009^2 .

It is not a de Polignac number, because 124047425 - 210 = 124046401 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 (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2480924 + ... + 2480973.

It is an arithmetic number, because the mean of its divisors is an integer number (25636473).

Almost surely, 2124047425 is an apocalyptic number.

It is an amenable number.

124047425 is a deficient number, since it is larger than the sum of its proper divisors (29771413).

124047425 is an equidigital number, since it uses as much as digits as its factorization.

124047425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4961907 (or 4961902 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 124047425 is about 11137.6579674544. The cubic root of 124047425 is about 498.7266599631.

Adding to 124047425 its reverse (524740421), we get a palindrome (648787846).

The spelling of 124047425 in words is "one hundred twenty-four million, forty-seven thousand, four hundred twenty-five".

Divisors: 1 5 25 4961897 24809485 124047425