Base | Representation |
---|---|
bin | 1111100000100010… |
… | …01000011101010001 |
3 | 210111020211010102100 |
4 | 13300101020131101 |
5 | 114022423141400 |
6 | 3454102511013 |
7 | 413216514660 |
oct | 76021103521 |
9 | 23436733370 |
10 | 8325990225 |
11 | 3592893763 |
12 | 1744435469 |
13 | a28c40a47 |
14 | 58dac4dd7 |
15 | 33ae40100 |
hex | 1f0448751 |
8325990225 has 72 divisors (see below), whose sum is σ = 17784254592. Its totient is φ = 3640665600.
The previous prime is 8325990077. The next prime is 8325990241. The reversal of 8325990225 is 5220995238.
8325990225 is a `hidden beast` number, since 8 + 32 + 599 + 0 + 2 + 25 = 666.
It is not a de Polignac number, because 8325990225 - 212 = 8325986129 is a prime.
It is a super-2 number, since 2×83259902252 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 78696 + ... + 151145.
It is an arithmetic number, because the mean of its divisors is an integer number (247003536).
Almost surely, 28325990225 is an apocalyptic number.
It is an amenable number.
8325990225 is an abundant number, since it is smaller than the sum of its proper divisors (9458264367).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8325990225 is a wasteful number, since it uses less digits than its factorization.
8325990225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 229887 (or 229879 counting only the distinct ones).
The product of its (nonzero) digits is 388800, while the sum is 45.
The square root of 8325990225 is about 91246.8641926943. The cubic root of 8325990225 is about 2026.8049932847.
The spelling of 8325990225 in words is "eight billion, three hundred twenty-five million, nine hundred ninety thousand, two hundred twenty-five".
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