Base | Representation |
---|---|
bin | 1000010011101… |
… | …10010010100110 |
3 | 11212010122102220 |
4 | 10021312102212 |
5 | 120320044114 |
6 | 10525413210 |
7 | 1504234254 |
oct | 411662246 |
9 | 155118386 |
10 | 69690534 |
11 | 3637a591 |
12 | 1b40a206 |
13 | 11590a04 |
14 | 93815d4 |
15 | 61b90a9 |
hex | 42764a6 |
69690534 has 8 divisors (see below), whose sum is σ = 139381080. Its totient is φ = 23230176.
The previous prime is 69690503. The next prime is 69690539. The reversal of 69690534 is 43509696.
It is a sphenic number, since it is the product of 3 distinct primes.
69690534 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69690539) 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, 5807539 + ... + 5807550.
It is an arithmetic number, because the mean of its divisors is an integer number (17422635).
Almost surely, 269690534 is an apocalyptic number.
69690534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69690534 is a wasteful number, since it uses less digits than its factorization.
69690534 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11615094.
The product of its (nonzero) digits is 174960, while the sum is 42.
The square root of 69690534 is about 8348.0856488179. The cubic root of 69690534 is about 411.5203005555.
The spelling of 69690534 in words is "sixty-nine million, six hundred ninety thousand, five hundred thirty-four".
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