Base | Representation |
---|---|
bin | 1000010001000… |
… | …01000100000000 |
3 | 11211110220120111 |
4 | 10020201010000 |
5 | 120222411230 |
6 | 10514121104 |
7 | 1501251430 |
oct | 410410400 |
9 | 154426514 |
10 | 69341440 |
11 | 36161283 |
12 | 1b280194 |
13 | 1149ab4c |
14 | 92d02c0 |
15 | 614a92a |
hex | 4221100 |
69341440 has 144 divisors (see below), whose sum is σ = 194261760. Its totient is φ = 23224320.
The previous prime is 69341411. The next prime is 69341473. The reversal of 69341440 is 4414396.
It is a nialpdrome in base 16.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636106 + ... + 636214.
It is an arithmetic number, because the mean of its divisors is an integer number (1349040).
Almost surely, 269341440 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 69341440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97130880).
69341440 is an abundant number, since it is smaller than the sum of its proper divisors (124920320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69341440 is a wasteful number, since it uses less digits than its factorization.
69341440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 208 (or 194 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 31.
The square root of 69341440 is about 8327.1507732237. The cubic root of 69341440 is about 410.8320205166.
The spelling of 69341440 in words is "sixty-nine million, three hundred forty-one thousand, four hundred forty".
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