Search a number
-
+
8242625 = 53234761
BaseRepresentation
bin11111011100010111000001
3120111202202102
4133130113001
54102231000
6452400145
7130026656
oct37342701
916452672
108242625
11471a896
122916055
1319279c1
141147c2d
15acc3d5
hex7dc5c1

8242625 has 32 divisors (see below), whose sum is σ = 11142144. Its totient is φ = 6072000.

The previous prime is 8242609. The next prime is 8242631. The reversal of 8242625 is 5262428.

8242625 = T269 + T270 + ... + T409.

It is not a de Polignac number, because 8242625 - 24 = 8242609 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 135095 + ... + 135155.

It is an arithmetic number, because the mean of its divisors is an integer number (348192).

Almost surely, 28242625 is an apocalyptic number.

It is an amenable number.

8242625 is a deficient number, since it is larger than the sum of its proper divisors (2899519).

8242625 is a wasteful number, since it uses less digits than its factorization.

8242625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 136 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 8242625 is about 2870.9972135131. The cubic root of 8242625 is about 202.0017726865.

The spelling of 8242625 in words is "eight million, two hundred forty-two thousand, six hundred twenty-five".

Divisors: 1 5 23 25 47 61 115 125 235 305 575 1081 1175 1403 1525 2867 2875 5405 5875 7015 7625 14335 27025 35075 65941 71675 135125 175375 329705 358375 1648525 8242625