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125005255 = 579316469
BaseRepresentation
bin1110111001101…
…10110111000111
322201012220222021
413130312313013
5224000132010
620223144011
73045345544
oct734666707
9281186867
10125005255
1164620331
1235a45007
131cb8a20b
141285dbcb
15ae938da
hex7736dc7

125005255 has 8 divisors (see below), whose sum is σ = 151905600. Its totient is φ = 98738016.

The previous prime is 125005241. The next prime is 125005259. The reversal of 125005255 is 552500521.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-125005255 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125005259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157840 + ... + 158629.

It is an arithmetic number, because the mean of its divisors is an integer number (18988200).

Almost surely, 2125005255 is an apocalyptic number.

125005255 is a deficient number, since it is larger than the sum of its proper divisors (26900345).

125005255 is an equidigital number, since it uses as much as digits as its factorization.

125005255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316553.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 125005255 is about 11180.5748957735. The cubic root of 125005255 is about 500.0070065685.

Adding to 125005255 its reverse (552500521), we get a palindrome (677505776).

The spelling of 125005255 in words is "one hundred twenty-five million, five thousand, two hundred fifty-five".

Divisors: 1 5 79 395 316469 1582345 25001051 125005255