Base | Representation |
---|---|
bin | 1000010010001… |
… | …11111001001010 |
3 | 11211202222202020 |
4 | 10021013321022 |
5 | 120243003430 |
6 | 10521345310 |
7 | 1502513223 |
oct | 411077112 |
9 | 154688666 |
10 | 69500490 |
11 | 3625a824 |
12 | 1b338236 |
13 | 11525367 |
14 | 933224a |
15 | 617cb10 |
hex | 4247e4a |
69500490 has 32 divisors (see below), whose sum is σ = 169952256. Its totient is φ = 18183360.
The previous prime is 69500489. The next prime is 69500527. The reversal of 69500490 is 9400596.
It is a happy number.
It is a super-2 number, since 2×695004902 = 9660636220480200, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20266 + ... + 23445.
It is an arithmetic number, because the mean of its divisors is an integer number (5311008).
Almost surely, 269500490 is an apocalyptic number.
69500490 is an abundant number, since it is smaller than the sum of its proper divisors (100451766).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69500490 is a wasteful number, since it uses less digits than its factorization.
69500490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43774.
The product of its (nonzero) digits is 9720, while the sum is 33.
The square root of 69500490 is about 8336.6953884618. The cubic root of 69500490 is about 411.1458921687.
The spelling of 69500490 in words is "sixty-nine million, five hundred thousand, four hundred ninety".
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