Base | Representation |
---|---|
bin | 1000010101110… |
… | …10101110100101 |
3 | 11212122212222002 |
4 | 10022322232211 |
5 | 120403031403 |
6 | 10535415045 |
7 | 1506512441 |
oct | 412725645 |
9 | 155585862 |
10 | 69970853 |
11 | 36551157 |
12 | 1b524485 |
13 | 1165b494 |
14 | 9415821 |
15 | 6222188 |
hex | 42baba5 |
69970853 has 16 divisors (see below), whose sum is σ = 74887680. Its totient is φ = 65235456.
The previous prime is 69970841. The next prime is 69970867. The reversal of 69970853 is 35807996.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-69970853 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 69970798 and 69970807.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69970553) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176051 + ... + 176447.
It is an arithmetic number, because the mean of its divisors is an integer number (4680480).
Almost surely, 269970853 is an apocalyptic number.
It is an amenable number.
69970853 is a deficient number, since it is larger than the sum of its proper divisors (4916827).
69970853 is a wasteful number, since it uses less digits than its factorization.
69970853 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 596.
The product of its (nonzero) digits is 408240, while the sum is 47.
The square root of 69970853 is about 8364.8582175671. The cubic root of 69970853 is about 412.0713205623.
The spelling of 69970853 in words is "sixty-nine million, nine hundred seventy thousand, eight hundred fifty-three".
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