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8061225 = 352195657
BaseRepresentation
bin11110110000000100101001
3120011112220220
4132300010221
54030424400
6444440253
7125343054
oct36600451
916145826
108061225
114606577
122849089
131893273
1410dba9b
15a937a0
hex7b0129

8061225 has 24 divisors (see below), whose sum is σ = 14031840. Its totient is φ = 4072320.

The previous prime is 8061223. The next prime is 8061289. The reversal of 8061225 is 5221608.

It is not a de Polignac number, because 8061225 - 21 = 8061223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8061195 and 8061204.

It is not an unprimeable number, because it can be changed into a prime (8061223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1404 + ... + 4253.

It is an arithmetic number, because the mean of its divisors is an integer number (584660).

Almost surely, 28061225 is an apocalyptic number.

It is an amenable number.

8061225 is a deficient number, since it is larger than the sum of its proper divisors (5970615).

8061225 is a wasteful number, since it uses less digits than its factorization.

8061225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5689 (or 5684 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 8061225 is about 2839.2296490421. The cubic root of 8061225 is about 200.5089122764.

The spelling of 8061225 in words is "eight million, sixty-one thousand, two hundred twenty-five".

Divisors: 1 3 5 15 19 25 57 75 95 285 475 1425 5657 16971 28285 84855 107483 141425 322449 424275 537415 1612245 2687075 8061225