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8275297 = 40920233
BaseRepresentation
bin11111100100010101100001
3120120102120111
4133210111201
54104302142
6453211321
7130224142
oct37442541
916512514
108275297
114742398
122930b41
131939834
141155ac9
15ad6e17
hex7e4561

8275297 has 4 divisors (see below), whose sum is σ = 8295940. Its totient is φ = 8254656.

The previous prime is 8275291. The next prime is 8275301. The reversal of 8275297 is 7925728.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6155361 + 2119936 = 2481^2 + 1456^2 .

It is a cyclic number.

It is not a de Polignac number, because 8275297 - 215 = 8242529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8275291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9708 + ... + 10525.

It is an arithmetic number, because the mean of its divisors is an integer number (2073985).

Almost surely, 28275297 is an apocalyptic number.

It is an amenable number.

8275297 is a deficient number, since it is larger than the sum of its proper divisors (20643).

8275297 is a wasteful number, since it uses less digits than its factorization.

8275297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20642.

The product of its digits is 70560, while the sum is 40.

The square root of 8275297 is about 2876.6815951718. The cubic root of 8275297 is about 202.2683180731.

The spelling of 8275297 in words is "eight million, two hundred seventy-five thousand, two hundred ninety-seven".

Divisors: 1 409 20233 8275297