Base | Representation |
---|---|
bin | 1000010001111… |
… | …11101100101000 |
3 | 11211201021200220 |
4 | 10020333230220 |
5 | 120240420140 |
6 | 10520530040 |
7 | 1502313315 |
oct | 410775450 |
9 | 154637626 |
10 | 69466920 |
11 | 36237586 |
12 | 1b320920 |
13 | 11512cb3 |
14 | 9323d0c |
15 | 6172bd0 |
hex | 423fb28 |
69466920 has 64 divisors (see below), whose sum is σ = 209520000. Its totient is φ = 18425088.
The previous prime is 69466889. The next prime is 69466927. The reversal of 69466920 is 2966496.
It is not an unprimeable number, because it can be changed into a prime (69466927) 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 15 ways as a sum of consecutive naturals, for example, 22426 + ... + 25334.
It is an arithmetic number, because the mean of its divisors is an integer number (3273750).
Almost surely, 269466920 is an apocalyptic number.
69466920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69466920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104760000).
69466920 is an abundant number, since it is smaller than the sum of its proper divisors (140053080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69466920 is a wasteful number, since it uses less digits than its factorization.
69466920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3122 (or 3118 counting only the distinct ones).
The product of its (nonzero) digits is 139968, while the sum is 42.
The square root of 69466920 is about 8334.6817575718. The cubic root of 69466920 is about 411.0796845279.
The spelling of 69466920 in words is "sixty-nine million, four hundred sixty-six thousand, nine hundred twenty".
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