Base | Representation |
---|---|
bin | 1000010101110… |
… | …01110101011101 |
3 | 11212122200221200 |
4 | 10022321311131 |
5 | 120402422242 |
6 | 10535350113 |
7 | 1506465666 |
oct | 412716535 |
9 | 155580850 |
10 | 69967197 |
11 | 36549433 |
12 | 1b522339 |
13 | 11659911 |
14 | 941436d |
15 | 622104c |
hex | 42b9d5d |
69967197 has 12 divisors (see below), whose sum is σ = 103529244. Its totient is φ = 45506880.
The previous prime is 69967187. The next prime is 69967199. The reversal of 69967197 is 79176996.
It can be written as a sum of positive squares in 2 ways, for example, as 20602521 + 49364676 = 4539^2 + 7026^2 .
It is not a de Polignac number, because 69967197 - 215 = 69934429 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69967199) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94438 + ... + 95175.
It is an arithmetic number, because the mean of its divisors is an integer number (8627437).
Almost surely, 269967197 is an apocalyptic number.
It is an amenable number.
69967197 is a deficient number, since it is larger than the sum of its proper divisors (33562047).
69967197 is a wasteful number, since it uses less digits than its factorization.
69967197 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 189660 (or 189657 counting only the distinct ones).
The product of its digits is 1285956, while the sum is 54.
The square root of 69967197 is about 8364.6396814208. The cubic root of 69967197 is about 412.0641434834.
It can be divided in two parts, 699 and 67197, that added together give a triangular number (67896 = T368).
The spelling of 69967197 in words is "sixty-nine million, nine hundred sixty-seven thousand, one hundred ninety-seven".
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