Search a number
-
+
550361898 = 23397105071
BaseRepresentation
bin100000110011011…
…101101100101010
31102100121021121000
4200303131230222
52111343040043
6130340055430
716431666432
oct4063355452
91370537530
10550361898
11262735049
12134394576
138a039138
14531452c2
15334b52d3
hex20cddb2a

550361898 has 32 divisors (see below), whose sum is σ = 1235646720. Its totient is φ = 181560960.

The previous prime is 550361897. The next prime is 550361951. The reversal of 550361898 is 898163055.

550361898 is a `hidden beast` number, since 5 + 503 + 61 + 89 + 8 = 666.

550361898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (550361897) 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, 47298 + ... + 57773.

It is an arithmetic number, because the mean of its divisors is an integer number (38613960).

Almost surely, 2550361898 is an apocalyptic number.

550361898 is an abundant number, since it is smaller than the sum of its proper divisors (685284822).

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

550361898 is a wasteful number, since it uses less digits than its factorization.

550361898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105179 (or 105173 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 550361898 is about 23459.7932215951. The cubic root of 550361898 is about 819.5009346725.

It can be divided in two parts, 5503618 and 98, that added together give a square (5503716 = 23462).

The spelling of 550361898 in words is "five hundred fifty million, three hundred sixty-one thousand, eight hundred ninety-eight".

Divisors: 1 2 3 6 9 18 27 54 97 194 291 582 873 1746 2619 5238 105071 210142 315213 630426 945639 1891278 2836917 5673834 10191887 20383774 30575661 61151322 91726983 183453966 275180949 550361898