Base | Representation |
---|---|
bin | 1000010000110… |
… | …01111101011100 |
3 | 11211102102200000 |
4 | 10020121331130 |
5 | 120220443343 |
6 | 10513334300 |
7 | 1501100550 |
oct | 410317534 |
9 | 154372600 |
10 | 69312348 |
11 | 36141436 |
12 | 1b267390 |
13 | 1148a831 |
14 | 92c3860 |
15 | 6141ed3 |
hex | 4219f5c |
69312348 has 144 divisors (see below), whose sum is σ = 212319744. Its totient is φ = 19362240.
The previous prime is 69312343. The next prime is 69312391. The reversal of 69312348 is 84321396.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69312343) 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 47 ways as a sum of consecutive naturals, for example, 414961 + ... + 415127.
Almost surely, 269312348 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 69312348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106159872).
69312348 is an abundant number, since it is smaller than the sum of its proper divisors (143007396).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69312348 is a wasteful number, since it uses less digits than its factorization.
69312348 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 254 (or 240 counting only the distinct ones).
The product of its digits is 31104, while the sum is 36.
The square root of 69312348 is about 8325.4037739920. The cubic root of 69312348 is about 410.7745580190.
It can be divided in two parts, 693 and 12348, that added together give a triangular number (13041 = T161).
The spelling of 69312348 in words is "sixty-nine million, three hundred twelve thousand, three hundred forty-eight".
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