Base | Representation |
---|---|
bin | 1000110110010… |
… | …01011000001001 |
3 | 12011200000210001 |
4 | 10123021120021 |
5 | 123000201121 |
6 | 11210523001 |
7 | 1560621613 |
oct | 433113011 |
9 | 164600701 |
10 | 74225161 |
11 | 3899750a |
12 | 20a36461 |
13 | 124baa1a |
14 | 9c01db3 |
15 | 67b2991 |
hex | 46c9609 |
74225161 has 8 divisors (see below), whose sum is σ = 75334400. Its totient is φ = 73120320.
The previous prime is 74225119. The next prime is 74225167. The reversal of 74225161 is 16152247.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-74225161 is a prime.
It is not an unprimeable number, because it can be changed into a prime (74225167) 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, 49105 + ... + 50593.
It is an arithmetic number, because the mean of its divisors is an integer number (9416800).
Almost surely, 274225161 is an apocalyptic number.
It is an amenable number.
74225161 is a deficient number, since it is larger than the sum of its proper divisors (1109239).
74225161 is a wasteful number, since it uses less digits than its factorization.
74225161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2199.
The product of its digits is 3360, while the sum is 28.
The square root of 74225161 is about 8615.4025442808. The cubic root of 74225161 is about 420.2590257818.
The spelling of 74225161 in words is "seventy-four million, two hundred twenty-five thousand, one hundred sixty-one".
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