Base | Representation |
---|---|
bin | 1000111001111… |
… | …11101110001101 |
3 | 12012120122201101 |
4 | 10130333232031 |
5 | 123111204101 |
6 | 11225143101 |
7 | 1565011060 |
oct | 434775615 |
9 | 165518641 |
10 | 74709901 |
11 | 39198722 |
12 | 2102aa91 |
13 | 1262a556 |
14 | 9cca8d7 |
15 | 685b401 |
hex | 473fb8d |
74709901 has 4 divisors (see below), whose sum is σ = 85382752. Its totient is φ = 64037052.
The previous prime is 74709889. The next prime is 74709937. The reversal of 74709901 is 10990747.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 74709901 - 29 = 74709389 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74709961) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5336415 + ... + 5336428.
It is an arithmetic number, because the mean of its divisors is an integer number (21345688).
Almost surely, 274709901 is an apocalyptic number.
It is an amenable number.
74709901 is a deficient number, since it is larger than the sum of its proper divisors (10672851).
74709901 is a wasteful number, since it uses less digits than its factorization.
74709901 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10672850.
The product of its (nonzero) digits is 15876, while the sum is 37.
The square root of 74709901 is about 8643.4889367662. The cubic root of 74709901 is about 421.1718990418.
It can be divided in two parts, 7470 and 9901, that added together give a palindrome (17371).
The spelling of 74709901 in words is "seventy-four million, seven hundred nine thousand, nine hundred one".
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