Base | Representation |
---|---|
bin | 100100001000… |
… | …101011101101 |
3 | 122211021011120 |
4 | 210020223231 |
5 | 4411111444 |
6 | 535011153 |
7 | 143342226 |
oct | 44105355 |
9 | 18737146 |
10 | 9472749 |
11 | 5390020 |
12 | 3209ab9 |
13 | 1c688a0 |
14 | 138824d |
15 | c71b19 |
hex | 908aed |
9472749 has 32 divisors (see below), whose sum is σ = 15095808. Its totient is φ = 5208000.
The previous prime is 9472747. The next prime is 9472759.
9472749 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 9472749 - 21 = 9472747 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a zygodrome in base 5.
It is a self number, because there is not a number n which added to its sum of digits gives 9472749.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9472747) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30304 + ... + 30614.
It is an arithmetic number, because the mean of its divisors is an integer number (471744).
Almost surely, 29472749 is an apocalyptic number.
It is an amenable number.
9472749 is a deficient number, since it is larger than the sum of its proper divisors (5623059).
9472749 is a wasteful number, since it uses less digits than its factorization.
9472749 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 409.
The product of its digits is 127008, while the sum is 42.
The square root of 9472749 is about 3077.7831307615. The cubic root of 9472749 is about 211.5884757453.
The spelling of 9472749 in words is "nine million, four hundred seventy-two thousand, seven hundred forty-nine".
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