Base | Representation |
---|---|
bin | 1011111100101… |
… | …01111100010111 |
3 | 20222121011012000 |
4 | 11332111330113 |
5 | 201124311022 |
6 | 13540130343 |
7 | 2324634333 |
oct | 576257427 |
9 | 228534160 |
10 | 100228887 |
11 | 516384a0 |
12 | 296969b3 |
13 | 179c3a45 |
14 | d4507c3 |
15 | 8bec6ac |
hex | 5f95f17 |
100228887 has 32 divisors (see below), whose sum is σ = 165957120. Its totient is φ = 59256000.
The previous prime is 100228867. The next prime is 100228903. The reversal of 100228887 is 788822001.
It is not a de Polignac number, because 100228887 - 26 = 100228823 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (100228847) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8062 + ... + 16292.
It is an arithmetic number, because the mean of its divisors is an integer number (5186160).
Almost surely, 2100228887 is an apocalyptic number.
100228887 is a deficient number, since it is larger than the sum of its proper divisors (65728233).
100228887 is a wasteful number, since it uses less digits than its factorization.
100228887 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8292 (or 8286 counting only the distinct ones).
The product of its (nonzero) digits is 14336, while the sum is 36.
The square root of 100228887 is about 10011.4378088265. The cubic root of 100228887 is about 464.5127466306.
The spelling of 100228887 in words is "one hundred million, two hundred twenty-eight thousand, eight hundred eighty-seven".
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