Base | Representation |
---|---|
bin | 1000110100101… |
… | …00001011011101 |
3 | 12011020221212200 |
4 | 10122110023131 |
5 | 122421213021 |
6 | 11202122113 |
7 | 1556023416 |
oct | 432241335 |
9 | 164227780 |
10 | 74007261 |
11 | 38858829 |
12 | 20950339 |
13 | 124427a3 |
14 | 9b8680d |
15 | 676d126 |
hex | 46942dd |
74007261 has 48 divisors (see below), whose sum is σ = 121405440. Its totient is φ = 43195680.
The previous prime is 74007259. The next prime is 74007287. The reversal of 74007261 is 16270047.
It is not a de Polignac number, because 74007261 - 21 = 74007259 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74007211) 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 47 ways as a sum of consecutive naturals, for example, 121620 + ... + 122226.
It is an arithmetic number, because the mean of its divisors is an integer number (2529280).
Almost surely, 274007261 is an apocalyptic number.
It is an amenable number.
74007261 is a deficient number, since it is larger than the sum of its proper divisors (47398179).
74007261 is a wasteful number, since it uses less digits than its factorization.
74007261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 686 (or 683 counting only the distinct ones).
The product of its (nonzero) digits is 2352, while the sum is 27.
The square root of 74007261 is about 8602.7472937429. The cubic root of 74007261 is about 419.8473765178.
The spelling of 74007261 in words is "seventy-four million, seven thousand, two hundred sixty-one".
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