Search a number
-
+
221150060 = 22523480761
BaseRepresentation
bin11010010111001…
…11101101101100
3120102010120211222
431023213231230
5423103300220
633540002512
75323513235
oct1513475554
9512116758
10221150060
1110391934a
1262090438
1336a81031
142152a08c
1514635e25
hexd2e7b6c

221150060 has 24 divisors (see below), whose sum is σ = 484608096. Its totient is φ = 84613760.

The previous prime is 221150057. The next prime is 221150077. The reversal of 221150060 is 60051122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239921 + ... + 240840.

It is an arithmetic number, because the mean of its divisors is an integer number (20192004).

Almost surely, 2221150060 is an apocalyptic number.

221150060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221150060 is an abundant number, since it is smaller than the sum of its proper divisors (263458036).

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

221150060 is a wasteful number, since it uses less digits than its factorization.

221150060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480793 (or 480791 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 221150060 is about 14871.1149548378. The cubic root of 221150060 is about 604.7311694097.

The spelling of 221150060 in words is "two hundred twenty-one million, one hundred fifty thousand, sixty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 480761 961522 1923044 2403805 4807610 9615220 11057503 22115006 44230012 55287515 110575030 221150060