Base | Representation |
---|---|
bin | 1101000111111… |
… | …1011111110010 |
3 | 10211120201220102 |
4 | 3101333133302 |
5 | 103043020203 |
6 | 5243512402 |
7 | 1235621213 |
oct | 321773762 |
9 | 124521812 |
10 | 55048178 |
11 | 29089569 |
12 | 16528702 |
13 | b5350b3 |
14 | 744d40a |
15 | 4c75888 |
hex | 347f7f2 |
55048178 has 8 divisors (see below), whose sum is σ = 82690860. Its totient is φ = 27484560.
The previous prime is 55048171. The next prime is 55048211. The reversal of 55048178 is 87184055.
It can be written as a sum of positive squares in 2 ways, for example, as 53831569 + 1216609 = 7337^2 + 1103^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×550481782 = 6060603802239368, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (55048171) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17993 + ... + 20828.
Almost surely, 255048178 is an apocalyptic number.
55048178 is a deficient number, since it is larger than the sum of its proper divisors (27642682).
55048178 is a wasteful number, since it uses less digits than its factorization.
55048178 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39532.
The product of its (nonzero) digits is 44800, while the sum is 38.
The square root of 55048178 is about 7419.4459361869. The cubic root of 55048178 is about 380.4062552713.
The spelling of 55048178 in words is "fifty-five million, forty-eight thousand, one hundred seventy-eight".
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