Base | Representation |
---|---|
bin | 1000111010010… |
… | …10100001100001 |
3 | 12012122220102001 |
4 | 10131022201201 |
5 | 123114113040 |
6 | 11230124001 |
7 | 1565254054 |
oct | 435124141 |
9 | 165586361 |
10 | 74754145 |
11 | 39218994 |
12 | 21050601 |
13 | 1264472b |
14 | 9cdca9b |
15 | 686959a |
hex | 474a861 |
74754145 has 8 divisors (see below), whose sum is σ = 90840960. Its totient is φ = 59046000.
The previous prime is 74754143. The next prime is 74754161. The reversal of 74754145 is 54145747.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 74754145 - 21 = 74754143 is a prime.
It is not an unprimeable number, because it can be changed into a prime (74754143) 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, 94231 + ... + 95020.
It is an arithmetic number, because the mean of its divisors is an integer number (11355120).
Almost surely, 274754145 is an apocalyptic number.
It is an amenable number.
74754145 is a deficient number, since it is larger than the sum of its proper divisors (16086815).
74754145 is a wasteful number, since it uses less digits than its factorization.
74754145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 189335.
The product of its digits is 78400, while the sum is 37.
The square root of 74754145 is about 8646.0479411116. The cubic root of 74754145 is about 421.2550234647.
The spelling of 74754145 in words is "seventy-four million, seven hundred fifty-four thousand, one hundred forty-five".
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