Base | Representation |
---|---|
bin | 1000010011100… |
… | …10011011111100 |
3 | 11212002211210020 |
4 | 10021302123330 |
5 | 120314042443 |
6 | 10525212140 |
7 | 1504140243 |
oct | 411623374 |
9 | 155084706 |
10 | 69674748 |
11 | 36369740 |
12 | 1b401050 |
13 | 11586780 |
14 | 937995a |
15 | 61b4583 |
hex | 42726fc |
69674748 has 96 divisors (see below), whose sum is σ = 201143040. Its totient is φ = 18455040.
The previous prime is 69674747. The next prime is 69674753. The reversal of 69674748 is 84747696.
It is a self number, because there is not a number n which added to its sum of digits gives 69674748.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69674743) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31536 + ... + 33672.
It is an arithmetic number, because the mean of its divisors is an integer number (2095240).
Almost surely, 269674748 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69674748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100571520).
69674748 is an abundant number, since it is smaller than the sum of its proper divisors (131468292).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69674748 is a wasteful number, since it uses less digits than its factorization.
69674748 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2187 (or 2185 counting only the distinct ones).
The product of its digits is 2032128, while the sum is 51.
The square root of 69674748 is about 8347.1401090433. The cubic root of 69674748 is about 411.4892262730.
The spelling of 69674748 in words is "sixty-nine million, six hundred seventy-four thousand, seven hundred forty-eight".
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