Base | Representation |
---|---|
bin | 1000010001001… |
… | …10001100111010 |
3 | 11211111222110010 |
4 | 10020212030322 |
5 | 120224044430 |
6 | 10514402350 |
7 | 1501400001 |
oct | 410461472 |
9 | 154458403 |
10 | 69362490 |
11 | 3617607a |
12 | 1b2903b6 |
13 | 114a75c2 |
14 | 92d7c38 |
15 | 6151cb0 |
hex | 422633a |
69362490 has 64 divisors (see below), whose sum is σ = 175167360. Its totient is φ = 17552640.
The previous prime is 69362473. The next prime is 69362537. The reversal of 69362490 is 9426396.
It is a happy number.
It is a super-2 number, since 2×693624902 = 9622310038000200, which contains 22 as substring.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 31 ways as a sum of consecutive naturals, for example, 52417 + ... + 53723.
It is an arithmetic number, because the mean of its divisors is an integer number (2736990).
Almost surely, 269362490 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69362490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87583680).
69362490 is an abundant number, since it is smaller than the sum of its proper divisors (105804870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69362490 is a wasteful number, since it uses less digits than its factorization.
69362490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1407.
The product of its (nonzero) digits is 69984, while the sum is 39.
The square root of 69362490 is about 8328.4146150393. The cubic root of 69362490 is about 410.8735884404.
The spelling of 69362490 in words is "sixty-nine million, three hundred sixty-two thousand, four hundred ninety".
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