Base | Representation |
---|---|
bin | 1000001110101… |
… | …00100000110010 |
3 | 11210212222110112 |
4 | 10013110200302 |
5 | 120132343030 |
6 | 10503301322 |
7 | 1465504331 |
oct | 407244062 |
9 | 153788415 |
10 | 69027890 |
11 | 35a67748 |
12 | 1b14a842 |
13 | 113bb209 |
14 | 924bd18 |
15 | 60d7a95 |
hex | 41d4832 |
69027890 has 8 divisors (see below), whose sum is σ = 124250220. Its totient is φ = 27611152.
The previous prime is 69027877. The next prime is 69027901. The reversal of 69027890 is 9872096.
It can be written as a sum of positive squares in 2 ways, for example, as 68574961 + 452929 = 8281^2 + 673^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3451385 + ... + 3451404.
Almost surely, 269027890 is an apocalyptic number.
69027890 is a deficient number, since it is larger than the sum of its proper divisors (55222330).
69027890 is a wasteful number, since it uses less digits than its factorization.
69027890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6902796.
The product of its (nonzero) digits is 54432, while the sum is 41.
The square root of 69027890 is about 8308.3024740316. The cubic root of 69027890 is about 410.2118476874.
The spelling of 69027890 in words is "sixty-nine million, twenty-seven thousand, eight hundred ninety".
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