Base | Representation |
---|---|
bin | 1000110100100… |
… | …10011010101111 |
3 | 12011020120222111 |
4 | 10122102122233 |
5 | 122421000142 |
6 | 11202024451 |
7 | 1555663402 |
oct | 432223257 |
9 | 164216874 |
10 | 74000047 |
11 | 38853370 |
12 | 20948127 |
13 | 1243c414 |
14 | 9b83d39 |
15 | 676ae17 |
hex | 46926af |
74000047 has 8 divisors (see below), whose sum is σ = 81037440. Its totient is φ = 67014360.
The previous prime is 73999969. The next prime is 74000051.
It is a happy number.
74000047 is nontrivially palindromic in base 10.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 74000047 - 211 = 73997999 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 73999991 and 74000027.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74000057) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9897 + ... + 15682.
It is an arithmetic number, because the mean of its divisors is an integer number (10129680).
Almost surely, 274000047 is an apocalyptic number.
74000047 is a deficient number, since it is larger than the sum of its proper divisors (7037393).
74000047 is a wasteful number, since it uses less digits than its factorization.
74000047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25853.
The product of its (nonzero) digits is 784, while the sum is 22.
The square root of 74000047 is about 8602.3279988617. The cubic root of 74000047 is about 419.8337342645.
It can be divided in two parts, 740000 and 47, that added together give a palindrome (740047).
The spelling of 74000047 in words is "seventy-four million, forty-seven", and thus it is an aban number.
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