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220379424 = 2532295619
BaseRepresentation
bin11010010001010…
…11100100100000
3120100200102201220
431020223210200
5422404120144
633511255040
75314123416
oct1510534440
9510612656
10220379424
11103442361
126197a480
1336871335
14213a92b6
1514532919
hexd22b920

220379424 has 24 divisors (see below), whose sum is σ = 578496240. Its totient is φ = 73459776.

The previous prime is 220379413. The next prime is 220379431. The reversal of 220379424 is 424973022.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1147714 + ... + 1147905.

It is an arithmetic number, because the mean of its divisors is an integer number (24104010).

Almost surely, 2220379424 is an apocalyptic number.

220379424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

220379424 is an abundant number, since it is smaller than the sum of its proper divisors (358116816).

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

220379424 is a wasteful number, since it uses less digits than its factorization.

220379424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295632 (or 2295624 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 220379424 is about 14845.1818446255. The cubic root of 220379424 is about 604.0279214612.

The spelling of 220379424 in words is "two hundred twenty million, three hundred seventy-nine thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 2295619 4591238 6886857 9182476 13773714 18364952 27547428 36729904 55094856 73459808 110189712 220379424