Base | Representation |
---|---|
bin | 1100011011000… |
… | …1000010111111 |
3 | 10122001020011220 |
4 | 3012301002333 |
5 | 101314333112 |
6 | 5100444423 |
7 | 1201613544 |
oct | 306610277 |
9 | 118036156 |
10 | 52105407 |
11 | 27459622 |
12 | 15549713 |
13 | aa44803 |
14 | 6cc4bcb |
15 | 489398c |
hex | 31b10bf |
52105407 has 8 divisors (see below), whose sum is σ = 70613040. Its totient is φ = 34167360.
The previous prime is 52105399. The next prime is 52105439. The reversal of 52105407 is 70450125.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 52105407 - 23 = 52105399 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52105457) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142182 + ... + 142547.
It is an arithmetic number, because the mean of its divisors is an integer number (8826630).
Almost surely, 252105407 is an apocalyptic number.
52105407 is a deficient number, since it is larger than the sum of its proper divisors (18507633).
52105407 is a wasteful number, since it uses less digits than its factorization.
52105407 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 284793.
The product of its (nonzero) digits is 1400, while the sum is 24.
The square root of 52105407 is about 7218.4075113560. The cubic root of 52105407 is about 373.5031459801.
The spelling of 52105407 in words is "fifty-two million, one hundred five thousand, four hundred seven".
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