Base | Representation |
---|---|
bin | 1000110100001… |
… | …01101001100100 |
3 | 12011010221020111 |
4 | 10122011221210 |
5 | 122412311443 |
6 | 11200542404 |
7 | 1555355050 |
oct | 432055144 |
9 | 164127214 |
10 | 73947748 |
11 | 38818046 |
12 | 20921a04 |
13 | 12421684 |
14 | 9b6cc60 |
15 | 675a69d |
hex | 4685a64 |
73947748 has 24 divisors (see below), whose sum is σ = 148176000. Its totient is φ = 31631808.
The previous prime is 73947703. The next prime is 73947749. The reversal of 73947748 is 84774937.
It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (73947749) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 14568 + ... + 18976.
It is an arithmetic number, because the mean of its divisors is an integer number (6174000).
Almost surely, 273947748 is an apocalyptic number.
It is an amenable number.
73947748 is an abundant number, since it is smaller than the sum of its proper divisors (74228252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
73947748 is a wasteful number, since it uses less digits than its factorization.
73947748 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5019 (or 5017 counting only the distinct ones).
The product of its digits is 1185408, while the sum is 49.
The square root of 73947748 is about 8599.2876449157. The cubic root of 73947748 is about 419.7348061331.
The spelling of 73947748 in words is "seventy-three million, nine hundred forty-seven thousand, seven hundred forty-eight".
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