Base | Representation |
---|---|
bin | 1000111010000… |
… | …10101011101110 |
3 | 12012121021100121 |
4 | 10131002223232 |
5 | 123112101110 |
6 | 11225315154 |
7 | 1565061325 |
oct | 435025356 |
9 | 165537317 |
10 | 74722030 |
11 | 391a6849 |
12 | 21035aba |
13 | 12632c26 |
14 | 9cd10bc |
15 | 685ecda |
hex | 4742aee |
74722030 has 16 divisors (see below), whose sum is σ = 134719200. Its totient is φ = 29840032.
The previous prime is 74721973. The next prime is 74722051. The reversal of 74722030 is 3022747.
It is a junction number, because it is equal to n+sod(n) for n = 74721986 and 74722004.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 696 + ... + 12244.
It is an arithmetic number, because the mean of its divisors is an integer number (8419950).
Almost surely, 274722030 is an apocalyptic number.
74722030 is a deficient number, since it is larger than the sum of its proper divisors (59997170).
74722030 is a wasteful number, since it uses less digits than its factorization.
74722030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12203.
The product of its (nonzero) digits is 2352, while the sum is 25.
The square root of 74722030 is about 8644.1905346886. The cubic root of 74722030 is about 421.1946899413.
Adding to 74722030 its reverse (3022747), we get a palindrome (77744777).
The spelling of 74722030 in words is "seventy-four million, seven hundred twenty-two thousand, thirty".
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