Base | Representation |
---|---|
bin | 1000110101110… |
… | …10011100111111 |
3 | 12011112220220222 |
4 | 10122322130333 |
5 | 122441222111 |
6 | 11205331555 |
7 | 1560245444 |
oct | 432723477 |
9 | 164486828 |
10 | 74164031 |
11 | 38955597 |
12 | 20a06bbb |
13 | 12498c56 |
14 | 9bc79cb |
15 | 679e7db |
hex | 46ba73f |
74164031 has 4 divisors (see below), whose sum is σ = 74264592. Its totient is φ = 74063472.
The previous prime is 74164019. The next prime is 74164061. The reversal of 74164031 is 13046147.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-74164031 is a prime.
It is a super-2 number, since 2×741640312 = 11000606988337922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74164061) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49166 + ... + 50651.
It is an arithmetic number, because the mean of its divisors is an integer number (18566148).
Almost surely, 274164031 is an apocalyptic number.
74164031 is a deficient number, since it is larger than the sum of its proper divisors (100561).
74164031 is an equidigital number, since it uses as much as digits as its factorization.
74164031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 100560.
The product of its (nonzero) digits is 2016, while the sum is 26.
The square root of 74164031 is about 8611.8540976958. The cubic root of 74164031 is about 420.1436224613.
The spelling of 74164031 in words is "seventy-four million, one hundred sixty-four thousand, thirty-one".
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