Base | Representation |
---|---|
bin | 1101001001111… |
… | …1110001111110 |
3 | 10211211110022001 |
4 | 3102133301332 |
5 | 103111233124 |
6 | 5250412514 |
7 | 1240011562 |
oct | 322376176 |
9 | 124743261 |
10 | 55180414 |
11 | 29169953 |
12 | 1659113a |
13 | b580343 |
14 | 74856a2 |
15 | 4c9eb44 |
hex | 349fc7e |
55180414 has 4 divisors (see below), whose sum is σ = 82770624. Its totient is φ = 27590206.
The previous prime is 55180409. The next prime is 55180439. The reversal of 55180414 is 41408155.
It is a semiprime because it is the product of two primes.
It is a super-2 number, since 2×551804142 = 6089756178422792, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 13795102 + ... + 13795105.
It is an arithmetic number, because the mean of its divisors is an integer number (20692656).
Almost surely, 255180414 is an apocalyptic number.
55180414 is a deficient number, since it is larger than the sum of its proper divisors (27590210).
55180414 is a wasteful number, since it uses less digits than its factorization.
55180414 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27590209.
The product of its (nonzero) digits is 3200, while the sum is 28.
The square root of 55180414 is about 7428.3520379691. The cubic root of 55180414 is about 380.7106139724.
Adding to 55180414 its reverse (41408155), we get a palindrome (96588569).
The spelling of 55180414 in words is "fifty-five million, one hundred eighty thousand, four hundred fourteen".
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