Base | Representation |
---|---|
bin | 11110010101101… |
… | …000011000010001 |
3 | 1022110202012202120 |
4 | 132111220120101 |
5 | 2020300040042 |
6 | 122301204453 |
7 | 15420213546 |
oct | 3625503021 |
9 | 1273665676 |
10 | 508986897 |
11 | 241345431 |
12 | 122560729 |
13 | 815b07a3 |
14 | 4b854bcd |
15 | 2ea40dec |
hex | 1e568611 |
508986897 has 8 divisors (see below), whose sum is σ = 682813344. Its totient is φ = 337242528.
The previous prime is 508986889. The next prime is 508986899. The reversal of 508986897 is 798689805.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 508986897 - 23 = 508986889 is a prime.
It is a super-2 number, since 2×5089868972 = 518135322635377218, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 508986897.
It is not an unprimeable number, because it can be changed into a prime (508986899) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519948 + ... + 520925.
It is an arithmetic number, because the mean of its divisors is an integer number (85351668).
Almost surely, 2508986897 is an apocalyptic number.
It is an amenable number.
508986897 is a deficient number, since it is larger than the sum of its proper divisors (173826447).
508986897 is a wasteful number, since it uses less digits than its factorization.
508986897 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1041039.
The product of its (nonzero) digits is 8709120, while the sum is 60.
The square root of 508986897 is about 22560.7379533560. The cubic root of 508986897 is about 798.4275869422.
The spelling of 508986897 in words is "five hundred eight million, nine hundred eighty-six thousand, eight hundred ninety-seven".
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