Base | Representation |
---|---|
bin | 1101001001001… |
… | …0110101110111 |
3 | 10211201202121010 |
4 | 3102102311313 |
5 | 103103034130 |
6 | 5245323303 |
7 | 1236401220 |
oct | 322226567 |
9 | 124652533 |
10 | 55127415 |
11 | 29133052 |
12 | 16566533 |
13 | b562195 |
14 | 7470247 |
15 | 4c8e0b0 |
hex | 3492d77 |
55127415 has 32 divisors (see below), whose sum is σ = 101454336. Its totient is φ = 25038720.
The previous prime is 55127357. The next prime is 55127431. The reversal of 55127415 is 51472155.
It is not a de Polignac number, because 55127415 - 215 = 55094647 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15505 + ... + 18725.
It is an arithmetic number, because the mean of its divisors is an integer number (3170448).
Almost surely, 255127415 is an apocalyptic number.
55127415 is a deficient number, since it is larger than the sum of its proper divisors (46326921).
55127415 is a wasteful number, since it uses less digits than its factorization.
55127415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3399.
The product of its digits is 7000, while the sum is 30.
The square root of 55127415 is about 7424.7838352372. The cubic root of 55127415 is about 380.5886881918.
It can be divided in two parts, 551 and 27415, that added together give a triangular number (27966 = T236).
The spelling of 55127415 in words is "fifty-five million, one hundred twenty-seven thousand, four hundred fifteen".
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