Base | Representation |
---|---|
bin | 1100100001000… |
… | …0001111001101 |
3 | 10122210001000201 |
4 | 3020100033031 |
5 | 101414322214 |
6 | 5113053501 |
7 | 1205126356 |
oct | 310201715 |
9 | 118701021 |
10 | 52495309 |
11 | 276a5559 |
12 | 156b7291 |
13 | ab50119 |
14 | 6d86d2d |
15 | 491e274 |
hex | 32103cd |
52495309 has 8 divisors (see below), whose sum is σ = 56196000. Its totient is φ = 48888432.
The previous prime is 52495297. The next prime is 52495327. The reversal of 52495309 is 90359425.
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 52495309 - 25 = 52495277 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 (52495109) 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 7 ways as a sum of consecutive naturals, for example, 22294 + ... + 24535.
It is an arithmetic number, because the mean of its divisors is an integer number (7024500).
Almost surely, 252495309 is an apocalyptic number.
52495309 is a gapful number since it is divisible by the number (59) formed by its first and last digit.
It is an amenable number.
52495309 is a deficient number, since it is larger than the sum of its proper divisors (3700691).
52495309 is a wasteful number, since it uses less digits than its factorization.
52495309 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46907.
The product of its (nonzero) digits is 48600, while the sum is 37.
The square root of 52495309 is about 7245.3646561094. The cubic root of 52495309 is about 374.4324665524.
The spelling of 52495309 in words is "fifty-two million, four hundred ninety-five thousand, three hundred nine".
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