Base | Representation |
---|---|
bin | 1000111100000… |
… | …11000100010100 |
3 | 12020002200002221 |
4 | 10132003010110 |
5 | 123144020443 |
6 | 11235112124 |
7 | 1600240225 |
oct | 436030424 |
9 | 166080087 |
10 | 74985748 |
11 | 393669a2 |
12 | 21142644 |
13 | 126c5c86 |
14 | 9d5d24c |
15 | 68b2eed |
hex | 4783114 |
74985748 has 12 divisors (see below), whose sum is σ = 131749632. Its totient is φ = 37343000.
The previous prime is 74985739. The next prime is 74985749. The reversal of 74985748 is 84758947.
It is a junction number, because it is equal to n+sod(n) for n = 74985695 and 74985704.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74985749) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36340 + ... + 38347.
It is an arithmetic number, because the mean of its divisors is an integer number (10979136).
Almost surely, 274985748 is an apocalyptic number.
It is an amenable number.
74985748 is a deficient number, since it is larger than the sum of its proper divisors (56763884).
74985748 is a wasteful number, since it uses less digits than its factorization.
74985748 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74942 (or 74940 counting only the distinct ones).
The product of its digits is 2257920, while the sum is 52.
The square root of 74985748 is about 8659.4311591467. The cubic root of 74985748 is about 421.6896185090.
The spelling of 74985748 in words is "seventy-four million, nine hundred eighty-five thousand, seven hundred forty-eight".
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