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8073025 = 52322921
BaseRepresentation
bin11110110010111101000001
3120012011002221
4132302331001
54031314100
6445011041
7125422342
oct36627501
916164087
108073025
114614424
122853a81
13189874c
1411020c9
15a9701a
hex7b2f41

8073025 has 6 divisors (see below), whose sum is σ = 10010582. Its totient is φ = 6458400.

The previous prime is 8073001. The next prime is 8073041. The reversal of 8073025 is 5203708.

8073025 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 804609 + 7268416 = 897^2 + 2696^2 .

It is not a de Polignac number, because 8073025 - 29 = 8072513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 322921 = 8073025 / (8 + 0 + 7 + 3 + 0 + 2 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 161436 + ... + 161485.

Almost surely, 28073025 is an apocalyptic number.

It is an amenable number.

8073025 is a deficient number, since it is larger than the sum of its proper divisors (1937557).

8073025 is a wasteful number, since it uses less digits than its factorization.

8073025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322931 (or 322926 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 8073025 is about 2841.3069175997. The cubic root of 8073025 is about 200.6066993850.

The spelling of 8073025 in words is "eight million, seventy-three thousand, twenty-five".

Divisors: 1 5 25 322921 1614605 8073025