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125415425 = 529075531
BaseRepresentation
bin1110111100110…
…11000000000001
322201222202121202
413132123000001
5224101243200
620240030545
73052004432
oct736330001
9281882552
10125415425
1164880513
1236002455
131cca1b15
1412929489
15b0251d5
hex779b001

125415425 has 12 divisors (see below), whose sum is σ = 155714736. Its totient is φ = 100203600.

The previous prime is 125415379. The next prime is 125415431. The reversal of 125415425 is 524514521.

It is not a de Polignac number, because 125415425 - 26 = 125415361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19910 + ... + 25440.

It is an arithmetic number, because the mean of its divisors is an integer number (12976228).

Almost surely, 2125415425 is an apocalyptic number.

It is an amenable number.

125415425 is a deficient number, since it is larger than the sum of its proper divisors (30299311).

125415425 is an equidigital number, since it uses as much as digits as its factorization.

125415425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6448 (or 6443 counting only the distinct ones).

The product of its digits is 8000, while the sum is 29.

The square root of 125415425 is about 11198.9028480472. The cubic root of 125415425 is about 500.5532875200.

Adding to 125415425 its reverse (524514521), we get a palindrome (649929946).

The spelling of 125415425 in words is "one hundred twenty-five million, four hundred fifteen thousand, four hundred twenty-five".

Divisors: 1 5 25 907 4535 5531 22675 27655 138275 5016617 25083085 125415425