Base | Representation |
---|---|
bin | 1000010010001… |
… | …10100100000000 |
3 | 11211202201021101 |
4 | 10021012210000 |
5 | 120242320130 |
6 | 10521304144 |
7 | 1502461306 |
oct | 411064400 |
9 | 154681241 |
10 | 69495040 |
11 | 3625671a |
12 | 1b335054 |
13 | 11522a34 |
14 | 9330276 |
15 | 617b1ca |
hex | 4246900 |
69495040 has 36 divisors (see below), whose sum is σ = 166465404. Its totient is φ = 27797504.
The previous prime is 69495011. The next prime is 69495053. The reversal of 69495040 is 4059496.
It can be written as a sum of positive squares in 2 ways, for example, as 55115776 + 14379264 = 7424^2 + 3792^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25867 + ... + 28426.
It is an arithmetic number, because the mean of its divisors is an integer number (4624039).
Almost surely, 269495040 is an apocalyptic number.
It is an amenable number.
69495040 is an abundant number, since it is smaller than the sum of its proper divisors (96970364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69495040 is an equidigital number, since it uses as much as digits as its factorization.
69495040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54314 (or 54300 counting only the distinct ones).
The product of its (nonzero) digits is 38880, while the sum is 37.
The square root of 69495040 is about 8336.3685139274. The cubic root of 69495040 is about 411.1351449846.
The spelling of 69495040 in words is "sixty-nine million, four hundred ninety-five thousand, forty".
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