Base | Representation |
---|---|
bin | 1000010010000… |
… | …00111111011000 |
3 | 11211201112222001 |
4 | 10021000333120 |
5 | 120241102331 |
6 | 10521010344 |
7 | 1502334622 |
oct | 411007730 |
9 | 154645861 |
10 | 69472216 |
11 | 36240560 |
12 | 1b3239b4 |
13 | 11515528 |
14 | 9325c12 |
15 | 6174561 |
hex | 4240fd8 |
69472216 has 32 divisors (see below), whose sum is σ = 142545600. Its totient is φ = 31479840.
The previous prime is 69472201. The next prime is 69472223. The reversal of 69472216 is 61227496.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32311 + ... + 34393.
It is an arithmetic number, because the mean of its divisors is an integer number (4454550).
Almost surely, 269472216 is an apocalyptic number.
It is an amenable number.
69472216 is an abundant number, since it is smaller than the sum of its proper divisors (73073384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69472216 is a wasteful number, since it uses less digits than its factorization.
69472216 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2479 (or 2475 counting only the distinct ones).
The product of its digits is 36288, while the sum is 37.
The square root of 69472216 is about 8334.9994601080. Note that the first 3 decimals coincide. The cubic root of 69472216 is about 411.0901308559.
The spelling of 69472216 in words is "sixty-nine million, four hundred seventy-two thousand, two hundred sixteen".
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