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8525073 = 32841691
BaseRepresentation
bin100000100001…
…010100010001
3121001010012110
4200201110101
54140300243
6502415533
7132314304
oct40412421
917033173
108525073
1148a3017
122a315a9
1319c642b
1411bcb3b
15b35e33
hex821511

8525073 has 4 divisors (see below), whose sum is σ = 11366768. Its totient is φ = 5683380.

The previous prime is 8525071. The next prime is 8525113. The reversal of 8525073 is 3705258.

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 not a de Polignac number, because 8525073 - 21 = 8525071 is a prime.

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 8525073.

It is not an unprimeable number, because it can be changed into a prime (8525071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1420843 + ... + 1420848.

It is an arithmetic number, because the mean of its divisors is an integer number (2841692).

Almost surely, 28525073 is an apocalyptic number.

It is an amenable number.

8525073 is a deficient number, since it is larger than the sum of its proper divisors (2841695).

8525073 is a wasteful number, since it uses less digits than its factorization.

8525073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841694.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 8525073 is about 2919.7727651309. The cubic root of 8525073 is about 204.2832234827.

The spelling of 8525073 in words is "eight million, five hundred twenty-five thousand, seventy-three".

Divisors: 1 3 2841691 8525073