Base | Representation |
---|---|
bin | 1000110110010… |
… | …10000011011010 |
3 | 12011200011120121 |
4 | 10123022003122 |
5 | 123000243210 |
6 | 11210543454 |
7 | 1560632650 |
oct | 433120332 |
9 | 164604517 |
10 | 74227930 |
11 | 389995a7 |
12 | 20a37b8a |
13 | 124bc06a |
14 | 9c02dd0 |
15 | 67b36da |
hex | 46ca0da |
74227930 has 32 divisors (see below), whose sum is σ = 154224000. Its totient is φ = 25195200.
The previous prime is 74227921. The next prime is 74227961. The reversal of 74227930 is 3972247.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1821 + ... + 12319.
It is an arithmetic number, because the mean of its divisors is an integer number (4819500).
Almost surely, 274227930 is an apocalyptic number.
74227930 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
74227930 is an abundant number, since it is smaller than the sum of its proper divisors (79996070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74227930 is a wasteful number, since it uses less digits than its factorization.
74227930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10614.
The product of its (nonzero) digits is 21168, while the sum is 34.
The square root of 74227930 is about 8615.5632433405. The cubic root of 74227930 is about 420.2642516951.
It can be divided in two parts, 74227 and 930, that added together give a palindrome (75157).
The spelling of 74227930 in words is "seventy-four million, two hundred twenty-seven thousand, nine hundred thirty".
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