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550556 = 22137639
BaseRepresentation
bin10000110011010011100
31000222012222
42012122130
5120104211
615444512
74452056
oct2063234
91028188
10550556
11346706
12226738
13163796
141048d6
15ad1db
hex8669c

550556 has 6 divisors (see below), whose sum is σ = 963480. Its totient is φ = 275276.

The previous prime is 550553. The next prime is 550577. The reversal of 550556 is 655055.

It is a super-2 number, since 2×5505562 = 606223818272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68816 + ... + 68823.

It is an arithmetic number, because the mean of its divisors is an integer number (160580).

2550556 is an apocalyptic number.

It is an amenable number.

550556 is a deficient number, since it is larger than the sum of its proper divisors (412924).

550556 is a wasteful number, since it uses less digits than its factorization.

550556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137643 (or 137641 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 550556 is about 741.9946091448. The cubic root of 550556 is about 81.9597264060.

The spelling of 550556 in words is "five hundred fifty thousand, five hundred fifty-six".

Divisors: 1 2 4 137639 275278 550556