Base | Representation |
---|---|
bin | 10100011110101001100101 |
3 | 101002202002102 |
4 | 110132221211 |
5 | 2333242141 |
6 | 311021445 |
7 | 63426242 |
oct | 24365145 |
9 | 11082072 |
10 | 5368421 |
11 | 3037413 |
12 | 196a885 |
13 | 115c6a6 |
14 | 9da5c9 |
15 | 71099b |
hex | 51ea65 |
5368421 has 4 divisors (see below), whose sum is σ = 5493312. Its totient is φ = 5243532.
The previous prime is 5368411. The next prime is 5368439. The reversal of 5368421 is 1248635.
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, and also an emirpimes, since its reverse is a distinct semiprime: 1248635 = 5 ⋅249727.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-5368421 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5368411) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62381 + ... + 62466.
It is an arithmetic number, because the mean of its divisors is an integer number (1373328).
Almost surely, 25368421 is an apocalyptic number.
It is an amenable number.
5368421 is a deficient number, since it is larger than the sum of its proper divisors (124891).
5368421 is a wasteful number, since it uses less digits than its factorization.
5368421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 124890.
The product of its digits is 5760, while the sum is 29.
The square root of 5368421 is about 2316.9853258059. The cubic root of 5368421 is about 175.0984045196.
The spelling of 5368421 in words is "five million, three hundred sixty-eight thousand, four hundred twenty-one".
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