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1025135 = 5421487
BaseRepresentation
bin11111010010001101111
31221002012222
43322101233
5230301020
633545555
711466506
oct3722157
91832188
101025135
11640221
124152bb
1329b7b7
141c983d
15153b25
hexfa46f

1025135 has 8 divisors (see below), whose sum is σ = 1235616. Its totient is φ = 816480.

The previous prime is 1025119. The next prime is 1025137. The reversal of 1025135 is 5315201.

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

It is not a de Polignac number, because 1025135 - 24 = 1025119 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 (1025137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1862 + ... + 2348.

It is an arithmetic number, because the mean of its divisors is an integer number (154452).

21025135 is an apocalyptic number.

1025135 is a deficient number, since it is larger than the sum of its proper divisors (210481).

1025135 is an equidigital number, since it uses as much as digits as its factorization.

1025135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 1025135 is about 1012.4895061185. The cubic root of 1025135 is about 100.8309100951.

The spelling of 1025135 in words is "one million, twenty-five thousand, one hundred thirty-five".

Divisors: 1 5 421 487 2105 2435 205027 1025135