Base | Representation |
---|---|
bin | 1000001110011… |
… | …10111011110000 |
3 | 11210211211010020 |
4 | 10013032323300 |
5 | 120131130130 |
6 | 10503003440 |
7 | 1465350606 |
oct | 407167360 |
9 | 153754106 |
10 | 69005040 |
11 | 35a51565 |
12 | 1b139580 |
13 | 113b09b0 |
14 | 9243876 |
15 | 60d0e10 |
hex | 41ceef0 |
69005040 has 160 divisors (see below), whose sum is σ = 244109376. Its totient is φ = 15974400.
The previous prime is 69005033. The next prime is 69005051. The reversal of 69005040 is 4050096.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 69005040.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52390 + ... + 53690.
Almost surely, 269005040 is an apocalyptic number.
69005040 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 69005040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122054688).
69005040 is an abundant number, since it is smaller than the sum of its proper divisors (175104336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69005040 is a wasteful number, since it uses less digits than its factorization.
69005040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1347 (or 1341 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 24.
The square root of 69005040 is about 8306.9272297282. The cubic root of 69005040 is about 410.1665791485.
The spelling of 69005040 in words is "sixty-nine million, five thousand, forty".
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