Base | Representation |
---|---|
bin | 1101001010011… |
… | …0110000010110 |
3 | 10211212220111010 |
4 | 3102212300112 |
5 | 103113141412 |
6 | 5251153050 |
7 | 1240161063 |
oct | 322466026 |
9 | 124786433 |
10 | 55208982 |
11 | 29189364 |
12 | 165a5786 |
13 | b59034a |
14 | 7491c6a |
15 | 4ca833c |
hex | 34a6c16 |
55208982 has 32 divisors (see below), whose sum is σ = 114922080. Its totient is φ = 17660160.
The previous prime is 55208981. The next prime is 55208999. The reversal of 55208982 is 28980255.
It is a self number, because there is not a number n which added to its sum of digits gives 55208982.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55208981) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30618 + ... + 32370.
It is an arithmetic number, because the mean of its divisors is an integer number (3591315).
Almost surely, 255208982 is an apocalyptic number.
55208982 is an abundant number, since it is smaller than the sum of its proper divisors (59713098).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55208982 is a wasteful number, since it uses less digits than its factorization.
55208982 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1968.
The product of its (nonzero) digits is 57600, while the sum is 39.
The square root of 55208982 is about 7430.2746920958. The cubic root of 55208982 is about 380.7763031281.
The spelling of 55208982 in words is "fifty-five million, two hundred eight thousand, nine hundred eighty-two".
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