Base | Representation |
---|---|
bin | 1000111000010… |
… | …00000111110001 |
3 | 12012011002022120 |
4 | 10130020013301 |
5 | 123031412121 |
6 | 11220224453 |
7 | 1563042105 |
oct | 434100761 |
9 | 165132276 |
10 | 74482161 |
11 | 39052606 |
12 | 20b3b129 |
13 | 1257a9b0 |
14 | 9c6b905 |
15 | 6813bc6 |
hex | 47081f1 |
74482161 has 8 divisors (see below), whose sum is σ = 106948800. Its totient is φ = 45835152.
The previous prime is 74482139. The next prime is 74482189. The reversal of 74482161 is 16128447.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 74482161 - 26 = 74482097 is a prime.
It is not an unprimeable number, because it can be changed into a prime (74483161) 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, 954861 + ... + 954938.
It is an arithmetic number, because the mean of its divisors is an integer number (13368600).
Almost surely, 274482161 is an apocalyptic number.
It is an amenable number.
74482161 is a deficient number, since it is larger than the sum of its proper divisors (32466639).
74482161 is a wasteful number, since it uses less digits than its factorization.
74482161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1909815.
The product of its digits is 10752, while the sum is 33.
The square root of 74482161 is about 8630.3048034238. The cubic root of 74482161 is about 420.7435072885.
The spelling of 74482161 in words is "seventy-four million, four hundred eighty-two thousand, one hundred sixty-one".
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