Base | Representation |
---|---|
bin | 1000110010001… |
… | …01100001011000 |
3 | 12010122120221001 |
4 | 10121011201120 |
5 | 122330410310 |
6 | 11151154344 |
7 | 1553212210 |
oct | 431054130 |
9 | 163576831 |
10 | 73685080 |
11 | 38658767 |
12 | 208159b4 |
13 | 1235bc51 |
14 | 9b01240 |
15 | 670793a |
hex | 4645858 |
73685080 has 64 divisors (see below), whose sum is σ = 191499840. Its totient is φ = 24993792.
The previous prime is 73685071. The next prime is 73685081. The reversal of 73685080 is 8058637.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (73685081) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25804 + ... + 28516.
It is an arithmetic number, because the mean of its divisors is an integer number (2992185).
Almost surely, 273685080 is an apocalyptic number.
73685080 is a gapful number since it is divisible by the number (70) 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 73685080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95749920).
73685080 is an abundant number, since it is smaller than the sum of its proper divisors (117814760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
73685080 is a wasteful number, since it uses less digits than its factorization.
73685080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2828 (or 2824 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 37.
The square root of 73685080 is about 8584.0013979496. The cubic root of 73685080 is about 419.2372399322.
The spelling of 73685080 in words is "seventy-three million, six hundred eighty-five thousand, eighty".
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