Base | Representation |
---|---|
bin | 1000001111111… |
… | …01011110000000 |
3 | 11211012111120210 |
4 | 10013331132000 |
5 | 120203230043 |
6 | 10511034120 |
7 | 1500103404 |
oct | 407753600 |
9 | 154174523 |
10 | 69195648 |
11 | 36071795 |
12 | 1b20b940 |
13 | 11449692 |
14 | 9293104 |
15 | 611c633 |
hex | 41fd780 |
69195648 has 64 divisors (see below), whose sum is σ = 184677120. Its totient is φ = 22955520.
The previous prime is 69195583. The next prime is 69195649. The reversal of 69195648 is 84659196.
It is a tau number, because it is divible by the number of its divisors (64).
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a junction number, because it is equal to n+sod(n) for n = 69195597 and 69195606.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69195649) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140683 + ... + 141173.
It is an arithmetic number, because the mean of its divisors is an integer number (2885580).
Almost surely, 269195648 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 69195648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92338560).
69195648 is an abundant number, since it is smaller than the sum of its proper divisors (115481472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69195648 is a wasteful number, since it uses less digits than its factorization.
69195648 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 875 (or 863 counting only the distinct ones).
The product of its digits is 466560, while the sum is 48.
The square root of 69195648 is about 8318.3921523333. The cubic root of 69195648 is about 410.5438905103.
The spelling of 69195648 in words is "sixty-nine million, one hundred ninety-five thousand, six hundred forty-eight".
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