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550472 = 23136779
BaseRepresentation
bin10000110011001001000
31000222002212
42012121020
5120103342
615444252
74451606
oct2063110
91028085
10550472
1134663a
12226688
13163730
14104876
15ad182
hex86648

550472 has 32 divisors (see below), whose sum is σ = 1142400. Its totient is φ = 247104.

The previous prime is 550471. The next prime is 550489. The reversal of 550472 is 274055.

It is an Ulam number.

It is a plaindrome in base 12.

It is a zygodrome in base 12.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 550472.

It is not an unprimeable number, because it can be changed into a prime (550471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6929 + ... + 7007.

It is an arithmetic number, because the mean of its divisors is an integer number (35700).

2550472 is an apocalyptic number.

550472 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (571200).

550472 is an abundant number, since it is smaller than the sum of its proper divisors (591928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550472 is a wasteful number, since it uses less digits than its factorization.

550472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 550472 is about 741.9380028008. The cubic root of 550472 is about 81.9555579126.

The spelling of 550472 in words is "five hundred fifty thousand, four hundred seventy-two".

Divisors: 1 2 4 8 13 26 52 67 79 104 134 158 268 316 536 632 871 1027 1742 2054 3484 4108 5293 6968 8216 10586 21172 42344 68809 137618 275236 550472