Base | Representation |
---|---|
bin | 101000000101… |
… | …101001010111 |
3 | 201202220111001 |
4 | 220011221113 |
5 | 10142241022 |
6 | 1013124131 |
7 | 155216104 |
oct | 50055127 |
9 | 21686431 |
10 | 10508887 |
11 | 5a28534 |
12 | 3629647 |
13 | 223c39c |
14 | 1577aab |
15 | dc8b27 |
hex | a05a57 |
10508887 has 6 divisors (see below), whose sum is σ = 10615592. Its totient is φ = 10403232.
The previous prime is 10508863. The next prime is 10508891. The reversal of 10508887 is 78880501.
10508887 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a de Polignac number, because none of the positive numbers 2k-10508887 is a prime.
It is a super-2 number, since 2×105088872 = 220873411957538, which contains 22 as substring.
It is a Duffinian number.
It is a plaindrome in base 14.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10508807) 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 5 ways as a sum of consecutive naturals, for example, 12358 + ... + 13180.
Almost surely, 210508887 is an apocalyptic number.
10508887 is a deficient number, since it is larger than the sum of its proper divisors (106705).
10508887 is an frugal number, since it uses more digits than its factorization.
10508887 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1049 (or 936 counting only the distinct ones).
The product of its (nonzero) digits is 17920, while the sum is 37.
The square root of 10508887 is about 3241.7413530385. The cubic root of 10508887 is about 219.0377185994.
The spelling of 10508887 in words is "ten million, five hundred eight thousand, eight hundred eighty-seven".
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