Base | Representation |
---|---|
bin | 1000010010001… |
… | …01011011010000 |
3 | 11211202110212221 |
4 | 10021011123100 |
5 | 120242143014 |
6 | 10521230424 |
7 | 1502441605 |
oct | 411053320 |
9 | 154673787 |
10 | 69490384 |
11 | 36253177 |
12 | 1b332414 |
13 | 11520892 |
14 | 932c6ac |
15 | 6179b24 |
hex | 42456d0 |
69490384 has 20 divisors (see below), whose sum is σ = 135348480. Its totient is φ = 34561760.
The previous prime is 69490363. The next prime is 69490397. The reversal of 69490384 is 48309496.
It is a self number, because there is not a number n which added to its sum of digits gives 69490384.
It is a congruent number.
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, 8314 + ... + 14425.
It is an arithmetic number, because the mean of its divisors is an integer number (6767424).
Almost surely, 269490384 is an apocalyptic number.
It is an amenable number.
69490384 is a deficient number, since it is larger than the sum of its proper divisors (65858096).
69490384 is a wasteful number, since it uses less digits than its factorization.
69490384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22938 (or 22932 counting only the distinct ones).
The product of its (nonzero) digits is 186624, while the sum is 43.
The square root of 69490384 is about 8336.0892509617. The cubic root of 69490384 is about 411.1259630919.
The spelling of 69490384 in words is "sixty-nine million, four hundred ninety thousand, three hundred eighty-four".
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