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7975061 = 1012812
BaseRepresentation
bin11110011011000010010101
3120000011201122
4132123002111
54020200221
6442533325
7124533623
oct36330225
916004648
107975061
114557866
122807245
131862c93
1410b8513
15a77eab
hex79b095

7975061 has 6 divisors (see below), whose sum is σ = 8082786. Its totient is φ = 7868000.

The previous prime is 7975039. The next prime is 7975063. The reversal of 7975061 is 1605797.

It can be written as a sum of positive squares in 3 ways, for example, as 4622500 + 3352561 = 2150^2 + 1831^2 .

It is not a de Polignac number, because 7975061 - 222 = 3780757 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 (7975063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28241 + ... + 28521.

It is an arithmetic number, because the mean of its divisors is an integer number (1347131).

Almost surely, 27975061 is an apocalyptic number.

It is an amenable number.

7975061 is a deficient number, since it is larger than the sum of its proper divisors (107725).

7975061 is an equidigital number, since it uses as much as digits as its factorization.

7975061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 35.

The square root of 7975061 is about 2824.0150495350. The cubic root of 7975061 is about 199.7919586691.

The spelling of 7975061 in words is "seven million, nine hundred seventy-five thousand, sixty-one".

Divisors: 1 101 281 28381 78961 7975061