Base | Representation |
---|---|
bin | 1000111011001… |
… | …11000000000001 |
3 | 12012212211102001 |
4 | 10131213000001 |
5 | 123131331120 |
6 | 11232424001 |
7 | 1566251113 |
oct | 435470001 |
9 | 165784361 |
10 | 74870785 |
11 | 39298590 |
12 | 210a8001 |
13 | 12685852 |
14 | 9d2d3b3 |
15 | 688de0a |
hex | 4767001 |
74870785 has 8 divisors (see below), whose sum is σ = 98012736. Its totient is φ = 54451440.
The previous prime is 74870759. The next prime is 74870843. The reversal of 74870785 is 58707847.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 74870785 - 27 = 74870657 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680589 + ... + 680698.
It is an arithmetic number, because the mean of its divisors is an integer number (12251592).
Almost surely, 274870785 is an apocalyptic number.
It is an amenable number.
74870785 is a deficient number, since it is larger than the sum of its proper divisors (23141951).
74870785 is a wasteful number, since it uses less digits than its factorization.
74870785 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1361303.
The product of its (nonzero) digits is 439040, while the sum is 46.
The square root of 74870785 is about 8652.7905903240. The cubic root of 74870785 is about 421.4740064282.
The spelling of 74870785 in words is "seventy-four million, eight hundred seventy thousand, seven hundred eighty-five".
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