Base | Representation |
---|---|
bin | 1000111011010… |
… | …01011011110100 |
3 | 12012220100002100 |
4 | 10131221123310 |
5 | 123132141011 |
6 | 11232542100 |
7 | 1566322146 |
oct | 435513364 |
9 | 165810070 |
10 | 74880756 |
11 | 392a5025 |
12 | 210b1930 |
13 | 1268a252 |
14 | 9d32c96 |
15 | 6891d56 |
hex | 47696f4 |
74880756 has 18 divisors (see below), whose sum is σ = 189282002. Its totient is φ = 24960240.
The previous prime is 74880739. The next prime is 74880761. The reversal of 74880756 is 65708847.
It can be written as a sum of positive squares in only one way, i.e., 61308900 + 13571856 = 7830^2 + 3684^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1039975 + ... + 1040046.
Almost surely, 274880756 is an apocalyptic number.
It is an amenable number.
74880756 is an abundant number, since it is smaller than the sum of its proper divisors (114401246).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74880756 is a wasteful number, since it uses less digits than its factorization.
74880756 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2080031 (or 2080026 counting only the distinct ones).
The product of its (nonzero) digits is 376320, while the sum is 45.
The square root of 74880756 is about 8653.3667436438. The cubic root of 74880756 is about 421.4927156874.
The spelling of 74880756 in words is "seventy-four million, eight hundred eighty thousand, seven hundred fifty-six".
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