Base | Representation |
---|---|
bin | 1000111000001… |
… | …00101100011001 |
3 | 12012010101001120 |
4 | 10130010230121 |
5 | 123030434441 |
6 | 11220035453 |
7 | 1562653140 |
oct | 434045431 |
9 | 165111046 |
10 | 74468121 |
11 | 39043002 |
12 | 20b32b89 |
13 | 125744a0 |
14 | 9c66757 |
15 | 680e966 |
hex | 4704b19 |
74468121 has 16 divisors (see below), whose sum is σ = 122204544. Its totient is φ = 39279744.
The previous prime is 74468113. The next prime is 74468153. The reversal of 74468121 is 12186447.
It is not a de Polignac number, because 74468121 - 23 = 74468113 is a prime.
It is not an unprimeable number, because it can be changed into a prime (74468171) 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 15 ways as a sum of consecutive naturals, for example, 136116 + ... + 136661.
It is an arithmetic number, because the mean of its divisors is an integer number (7637784).
Almost surely, 274468121 is an apocalyptic number.
It is an amenable number.
74468121 is a deficient number, since it is larger than the sum of its proper divisors (47736423).
74468121 is a wasteful number, since it uses less digits than its factorization.
74468121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 272800.
The product of its digits is 10752, while the sum is 33.
The square root of 74468121 is about 8629.4913523336. The cubic root of 74468121 is about 420.7170686981.
The spelling of 74468121 in words is "seventy-four million, four hundred sixty-eight thousand, one hundred twenty-one".
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