Base | Representation |
---|---|
bin | 1000010011010… |
… | …10110010110010 |
3 | 11212001020211202 |
4 | 10021222302302 |
5 | 120312042232 |
6 | 10524411202 |
7 | 1503650051 |
oct | 411526262 |
9 | 155036752 |
10 | 69643442 |
11 | 36348170 |
12 | 1b3a6b02 |
13 | 1157544b |
14 | 936c398 |
15 | 61aa162 |
hex | 426acb2 |
69643442 has 16 divisors (see below), whose sum is σ = 117892800. Its totient is φ = 30564240.
The previous prime is 69643429. The next prime is 69643481. The reversal of 69643442 is 24434696.
It is a junction number, because it is equal to n+sod(n) for n = 69643396 and 69643405.
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, 53942 + ... + 55217.
It is an arithmetic number, because the mean of its divisors is an integer number (7368300).
Almost surely, 269643442 is an apocalyptic number.
69643442 is a deficient number, since it is larger than the sum of its proper divisors (48249358).
69643442 is a wasteful number, since it uses less digits than its factorization.
69643442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109201.
The product of its digits is 124416, while the sum is 38.
The square root of 69643442 is about 8345.2646452944. The cubic root of 69643442 is about 411.4275874347.
The spelling of 69643442 in words is "sixty-nine million, six hundred forty-three thousand, four hundred forty-two".
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