Base | Representation |
---|---|
bin | 1100010000001… |
… | …10100101011110 |
3 | 21011102010211120 |
4 | 12020012211132 |
5 | 202303144142 |
6 | 14111031410 |
7 | 2355451533 |
oct | 610064536 |
9 | 234363746 |
10 | 102787422 |
11 | 53025791 |
12 | 2a50b566 |
13 | 183ab47a |
14 | d918d8a |
15 | 90557ec |
hex | 620695e |
102787422 has 8 divisors (see below), whose sum is σ = 205574856. Its totient is φ = 34262472.
The previous prime is 102787417. The next prime is 102787427. The reversal of 102787422 is 224787201.
It is an interprime number because it is at equal distance from previous prime (102787417) and next prime (102787427).
It is a sphenic number, since it is the product of 3 distinct primes.
102787422 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102787427) 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, 8565613 + ... + 8565624.
It is an arithmetic number, because the mean of its divisors is an integer number (25696857).
Almost surely, 2102787422 is an apocalyptic number.
102787422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102787422 is a wasteful number, since it uses less digits than its factorization.
102787422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17131242.
The product of its (nonzero) digits is 12544, while the sum is 33.
The square root of 102787422 is about 10138.4131894493. The cubic root of 102787422 is about 468.4321105831.
The spelling of 102787422 in words is "one hundred two million, seven hundred eighty-seven thousand, four hundred twenty-two".
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