Base | Representation |
---|---|
bin | 1100100111110… |
… | …01100111010111 |
3 | 21101020021002100 |
4 | 12103321213113 |
5 | 204101130043 |
6 | 14301213143 |
7 | 2423652054 |
oct | 623714727 |
9 | 241207070 |
10 | 105880023 |
11 | 54848257 |
12 | 2b5611b3 |
13 | 18c22002 |
14 | 100c202b |
15 | 9466cd3 |
hex | 64f99d7 |
105880023 has 6 divisors (see below), whose sum is σ = 152937824. Its totient is φ = 70586676.
The previous prime is 105880013. The next prime is 105880057. The reversal of 105880023 is 320088501.
It is a happy number.
It is not a de Polignac number, because 105880023 - 221 = 103782871 is a prime.
It is a super-2 number, since 2×1058800232 = 22421158540961058, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105880013) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5882215 + ... + 5882232.
Almost surely, 2105880023 is an apocalyptic number.
105880023 is a deficient number, since it is larger than the sum of its proper divisors (47057801).
105880023 is a wasteful number, since it uses less digits than its factorization.
105880023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11764453 (or 11764450 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 27.
The square root of 105880023 is about 10289.8018931367. The cubic root of 105880023 is about 473.0837263714.
The spelling of 105880023 in words is "one hundred five million, eight hundred eighty thousand, twenty-three".
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