Base | Representation |
---|---|
bin | 1000110111110… |
… | …10010100101001 |
3 | 12012001012210020 |
4 | 10123322110221 |
5 | 123023110031 |
6 | 11215111053 |
7 | 1562415243 |
oct | 433722451 |
9 | 165035706 |
10 | 74425641 |
11 | 390140a4 |
12 | 20b12489 |
13 | 1255b054 |
14 | 9c55093 |
15 | 6802096 |
hex | 46fa529 |
74425641 has 8 divisors (see below), whose sum is σ = 104457120. Its totient is φ = 47005632.
The previous prime is 74425639. The next prime is 74425667. The reversal of 74425641 is 14652447.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 74425641 - 21 = 74425639 is a prime.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (74425441) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 652800 + ... + 652913.
It is an arithmetic number, because the mean of its divisors is an integer number (13057140).
Almost surely, 274425641 is an apocalyptic number.
It is an amenable number.
74425641 is a deficient number, since it is larger than the sum of its proper divisors (30031479).
74425641 is a wasteful number, since it uses less digits than its factorization.
74425641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1305735.
The product of its digits is 26880, while the sum is 33.
The square root of 74425641 is about 8627.0296742274. The cubic root of 74425641 is about 420.6370547706.
The spelling of 74425641 in words is "seventy-four million, four hundred twenty-five thousand, six hundred forty-one".
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