Base | Representation |
---|---|
bin | 1000010101110… |
… | …11101111010101 |
3 | 11212200002122120 |
4 | 10022323233111 |
5 | 120403144442 |
6 | 10535450153 |
7 | 1506530511 |
oct | 412735725 |
9 | 155602576 |
10 | 69974997 |
11 | 36554284 |
12 | 1b526959 |
13 | 11660331 |
14 | 9417141 |
15 | 62234ec |
hex | 42bbbd5 |
69974997 has 8 divisors (see below), whose sum is σ = 93428544. Its totient is φ = 46585728.
The previous prime is 69974981. The next prime is 69975011. The reversal of 69974997 is 79947996.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 69974997 - 24 = 69974981 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 69974997.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69974917) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13468 + ... + 17925.
It is an arithmetic number, because the mean of its divisors is an integer number (11678568).
Almost surely, 269974997 is an apocalyptic number.
It is an amenable number.
69974997 is a deficient number, since it is larger than the sum of its proper divisors (23453547).
69974997 is a wasteful number, since it uses less digits than its factorization.
69974997 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32139.
The product of its digits is 7715736, while the sum is 60.
The square root of 69974997 is about 8365.1059168429. The cubic root of 69974997 is about 412.0794553297.
The spelling of 69974997 in words is "sixty-nine million, nine hundred seventy-four thousand, nine hundred ninety-seven".
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