Base | Representation |
---|---|
bin | 1000010010000… |
… | …10111011001100 |
3 | 11211201221211112 |
4 | 10021002323030 |
5 | 120241331030 |
6 | 10521111152 |
7 | 1502400002 |
oct | 411027314 |
9 | 154657745 |
10 | 69480140 |
11 | 36246504 |
12 | 1b3284b8 |
13 | 11519012 |
14 | 9328a72 |
15 | 6176a95 |
hex | 4242ecc |
69480140 has 24 divisors (see below), whose sum is σ = 146065920. Its totient is φ = 27762048.
The previous prime is 69480137. The next prime is 69480163. The reversal of 69480140 is 4108496.
It is a junction number, because it is equal to n+sod(n) for n = 69480097 and 69480106.
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 7 ways as a sum of consecutive naturals, for example, 32216 + ... + 34304.
It is an arithmetic number, because the mean of its divisors is an integer number (6086080).
Almost surely, 269480140 is an apocalyptic number.
It is an amenable number.
69480140 is an abundant number, since it is smaller than the sum of its proper divisors (76585780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69480140 is a wasteful number, since it uses less digits than its factorization.
69480140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3761 (or 3759 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 32.
The square root of 69480140 is about 8335.4747915161. The cubic root of 69480140 is about 411.1057599065.
The spelling of 69480140 in words is "sixty-nine million, four hundred eighty thousand, one hundred forty".
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