Base | Representation |
---|---|
bin | 1000110010111… |
… | …10000000001001 |
3 | 12010211200110212 |
4 | 10121132000021 |
5 | 122342112403 |
6 | 11153250505 |
7 | 1554110435 |
oct | 431360011 |
9 | 163750425 |
10 | 73785353 |
11 | 38717034 |
12 | 20863a35 |
13 | 12395795 |
14 | 9b299c5 |
15 | 67274d8 |
hex | 465e009 |
73785353 has 4 divisors (see below), whose sum is σ = 73872708. Its totient is φ = 73698000.
The previous prime is 73785343. The next prime is 73785391. The reversal of 73785353 is 35358737.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35358737 = 1667 ⋅21211.
It can be written as a sum of positive squares in 2 ways, for example, as 33500944 + 40284409 = 5788^2 + 6347^2 .
It is a cyclic number.
It is not a de Polignac number, because 73785353 - 210 = 73784329 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 73785353.
It is not an unprimeable number, because it can be changed into a prime (73785343) 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, 42398 + ... + 44103.
It is an arithmetic number, because the mean of its divisors is an integer number (18468177).
Almost surely, 273785353 is an apocalyptic number.
It is an amenable number.
73785353 is a deficient number, since it is larger than the sum of its proper divisors (87355).
73785353 is an equidigital number, since it uses as much as digits as its factorization.
73785353 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87354.
The product of its digits is 264600, while the sum is 41.
The square root of 73785353 is about 8589.8401032848. The cubic root of 73785353 is about 419.4273241898.
The spelling of 73785353 in words is "seventy-three million, seven hundred eighty-five thousand, three hundred fifty-three".
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