Base | Representation |
---|---|
bin | 1000010000001… |
… | …00010001101010 |
3 | 11211020220211110 |
4 | 10020010101222 |
5 | 120210123110 |
6 | 10511411150 |
7 | 1500250605 |
oct | 410042152 |
9 | 154226743 |
10 | 69223530 |
11 | 36090732 |
12 | 1b223ab6 |
13 | 1145928c |
14 | 929d33c |
15 | 6125a20 |
hex | 420446a |
69223530 has 16 divisors (see below), whose sum is σ = 166136544. Its totient is φ = 18459600.
The previous prime is 69223523. The next prime is 69223547. The reversal of 69223530 is 3532296.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2307451 = 69223530 / (6 + 9 + 2 + 2 + 3 + 5 + 3 + 0).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1153696 + ... + 1153755.
It is an arithmetic number, because the mean of its divisors is an integer number (10383534).
Almost surely, 269223530 is an apocalyptic number.
69223530 is an abundant number, since it is smaller than the sum of its proper divisors (96913014).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69223530 is a wasteful number, since it uses less digits than its factorization.
69223530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2307461.
The product of its (nonzero) digits is 9720, while the sum is 30.
The square root of 69223530 is about 8320.0679083767. The cubic root of 69223530 is about 410.5990252283.
The spelling of 69223530 in words is "sixty-nine million, two hundred twenty-three thousand, five hundred thirty".
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