Search a number
-
+
8025497 = 31258887
BaseRepresentation
bin11110100111010110011001
3120002201220122
4132213112121
54023303442
6444003025
7125133644
oct36472631
916081818
108025497
114591747
122830475
13187cc1c
1410cca5b
15a87dd2
hex7a7599

8025497 has 4 divisors (see below), whose sum is σ = 8284416. Its totient is φ = 7766580.

The previous prime is 8025491. The next prime is 8025503. The reversal of 8025497 is 7945208.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (8025491) and next prime (8025503).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8025497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8025491) 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, 129413 + ... + 129474.

It is an arithmetic number, because the mean of its divisors is an integer number (2071104).

Almost surely, 28025497 is an apocalyptic number.

It is an amenable number.

8025497 is a deficient number, since it is larger than the sum of its proper divisors (258919).

8025497 is a wasteful number, since it uses less digits than its factorization.

8025497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258918.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 8025497 is about 2832.9308145452. The cubic root of 8025497 is about 200.2122496707.

The spelling of 8025497 in words is "eight million, twenty-five thousand, four hundred ninety-seven".

Divisors: 1 31 258887 8025497