Search a number
-
+
220462240 = 2558111699
BaseRepresentation
bin11010010001111…
…11110010100000
3120100211122100011
431020333302200
5422414242430
633513134304
75314620025
oct1510776240
9510748304
10220462240
111034995a9
12619ba394
133689cc3b
14213cb54c
151454c22a
hexd23fca0

220462240 has 48 divisors (see below), whose sum is σ = 521791200. Its totient is φ = 88024320.

The previous prime is 220462223. The next prime is 220462241. The reversal of 220462240 is 42264022.

220462240 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 (220462241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128911 + ... + 130609.

It is an arithmetic number, because the mean of its divisors is an integer number (10870650).

Almost surely, 2220462240 is an apocalyptic number.

220462240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220462240 is an abundant number, since it is smaller than the sum of its proper divisors (301328960).

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

220462240 is a wasteful number, since it uses less digits than its factorization.

220462240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525 (or 2517 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 220462240 is about 14847.9709051439. The cubic root of 220462240 is about 604.1035741858.

The spelling of 220462240 in words is "two hundred twenty million, four hundred sixty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 811 1622 1699 3244 3398 4055 6488 6796 8110 8495 12976 13592 16220 16990 25952 27184 32440 33980 54368 64880 67960 129760 135920 271840 1377889 2755778 5511556 6889445 11023112 13778890 22046224 27557780 44092448 55115560 110231120 220462240