Base | Representation |
---|---|
bin | 1000010100001… |
… | …00000011001010 |
3 | 11212020111202011 |
4 | 10022010003022 |
5 | 120323400030 |
6 | 10530530134 |
7 | 1504560463 |
oct | 412040312 |
9 | 155214664 |
10 | 69746890 |
11 | 36408964 |
12 | 1b43694a |
13 | 115b0565 |
14 | 9397d6a |
15 | 61cab2a |
hex | 42840ca |
69746890 has 8 divisors (see below), whose sum is σ = 125544420. Its totient is φ = 27898752.
The previous prime is 69746867. The next prime is 69746899. The reversal of 69746890 is 9864796.
It can be written as a sum of positive squares in 2 ways, for example, as 62299449 + 7447441 = 7893^2 + 2729^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (69746899) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3487335 + ... + 3487354.
Almost surely, 269746890 is an apocalyptic number.
69746890 is a deficient number, since it is larger than the sum of its proper divisors (55797530).
69746890 is a wasteful number, since it uses less digits than its factorization.
69746890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6974696.
The product of its (nonzero) digits is 653184, while the sum is 49.
The square root of 69746890 is about 8351.4603513398. The cubic root of 69746890 is about 411.6311974409.
The spelling of 69746890 in words is "sixty-nine million, seven hundred forty-six thousand, eight hundred ninety".
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