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8245028317 = 18474464011
BaseRepresentation
bin1111010110111000…
…10010010111011101
3210021121110211120011
413223130102113131
5113341211401232
63442051323221
7411214404301
oct75334222735
923247424504
108245028317
113551115899
1217212b0511
13a152348a6
1458304bd01
15333c9b547
hex1eb7125dd

8245028317 has 4 divisors (see below), whose sum is σ = 8249494176. Its totient is φ = 8240562460.

The previous prime is 8245028299. The next prime is 8245028329. The reversal of 8245028317 is 7138205428.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8245028317 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8245028317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8245028377) 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, 2230159 + ... + 2233852.

It is an arithmetic number, because the mean of its divisors is an integer number (2062373544).

Almost surely, 28245028317 is an apocalyptic number.

It is an amenable number.

8245028317 is a deficient number, since it is larger than the sum of its proper divisors (4465859).

8245028317 is a wasteful number, since it uses less digits than its factorization.

8245028317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4465858.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 8245028317 is about 90802.1382842937. The cubic root of 8245028317 is about 2020.2140345209.

The spelling of 8245028317 in words is "eight billion, two hundred forty-five million, twenty-eight thousand, three hundred seventeen".

Divisors: 1 1847 4464011 8245028317