Base | Representation |
---|---|
bin | 1101010101001… |
… | …0101010110110 |
3 | 10220012200102010 |
4 | 3111102222312 |
5 | 103303210032 |
6 | 5314225050 |
7 | 1246153035 |
oct | 325225266 |
9 | 126180363 |
10 | 55913142 |
11 | 2961a40a |
12 | 16885186 |
13 | b7789cc |
14 | 75d671c |
15 | 4d96ccc |
hex | 3552ab6 |
55913142 has 16 divisors (see below), whose sum is σ = 114849072. Its totient is φ = 18133920.
The previous prime is 55913113. The next prime is 55913197. The reversal of 55913142 is 24131955.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125709 + ... + 126152.
It is an arithmetic number, because the mean of its divisors is an integer number (7178067).
Almost surely, 255913142 is an apocalyptic number.
55913142 is an abundant number, since it is smaller than the sum of its proper divisors (58935930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55913142 is a wasteful number, since it uses less digits than its factorization.
55913142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 251903.
The product of its digits is 5400, while the sum is 30.
The square root of 55913142 is about 7477.5090772262. The cubic root of 55913142 is about 382.3883325616.
The spelling of 55913142 in words is "fifty-five million, nine hundred thirteen thousand, one hundred forty-two".
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