Base | Representation |
---|---|
bin | 1000110100101… |
… | …10000101001111 |
3 | 12011021100120100 |
4 | 10122112011033 |
5 | 122421440210 |
6 | 11202222143 |
7 | 1556055222 |
oct | 432260517 |
9 | 164240510 |
10 | 74015055 |
11 | 38863674 |
12 | 20954953 |
13 | 124461ba |
14 | 9b895b9 |
15 | 67705c0 |
hex | 469614f |
74015055 has 24 divisors (see below), whose sum is σ = 128494080. Its totient is φ = 39412800.
The previous prime is 74015041. The next prime is 74015057. The reversal of 74015055 is 55051047.
It is not a de Polignac number, because 74015055 - 215 = 73982287 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74015057) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51081 + ... + 52509.
It is an arithmetic number, because the mean of its divisors is an integer number (5353920).
Almost surely, 274015055 is an apocalyptic number.
74015055 is a deficient number, since it is larger than the sum of its proper divisors (54479025).
74015055 is a wasteful number, since it uses less digits than its factorization.
74015055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2591 (or 2588 counting only the distinct ones).
The product of its (nonzero) digits is 3500, while the sum is 27.
The square root of 74015055 is about 8603.2002766412. The cubic root of 74015055 is about 419.8621146013.
The spelling of 74015055 in words is "seventy-four million, fifteen thousand, fifty-five".
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