Base | Representation |
---|---|
bin | 1000101101001… |
… | …00100101100010 |
3 | 12002102002200121 |
4 | 10112210211202 |
5 | 122143312030 |
6 | 11125110454 |
7 | 1544465320 |
oct | 426444542 |
9 | 162362617 |
10 | 73025890 |
11 | 38248483 |
12 | 2055842a |
13 | 1218abb2 |
14 | 99acd10 |
15 | 662747a |
hex | 45a4962 |
73025890 has 32 divisors (see below), whose sum is σ = 152046720. Its totient is φ = 24733824.
The previous prime is 73025861. The next prime is 73025917. The reversal of 73025890 is 9852037.
It is a super-2 number, since 2×730258902 = 10665561220584200, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475 + ... + 12094.
It is an arithmetic number, because the mean of its divisors is an integer number (4751460).
Almost surely, 273025890 is an apocalyptic number.
73025890 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
73025890 is an abundant number, since it is smaller than the sum of its proper divisors (79020830).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
73025890 is a wasteful number, since it uses less digits than its factorization.
73025890 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12666.
The product of its (nonzero) digits is 15120, while the sum is 34.
The square root of 73025890 is about 8545.5187086566. The cubic root of 73025890 is about 417.9833216028.
The spelling of 73025890 in words is "seventy-three million, twenty-five thousand, eight hundred ninety".
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