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220484 = 22115011
BaseRepresentation
bin110101110101000100
3102012110002
4311311010
524023414
64420432
71605545
oct656504
9365402
10220484
11140720
12a7718
1379484
145a4cc
15454de
hex35d44

220484 has 12 divisors (see below), whose sum is σ = 421008. Its totient is φ = 100200.

The previous prime is 220471. The next prime is 220511. The reversal of 220484 is 484022.

220484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2204842 = 97226388512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2462 + ... + 2549.

It is an arithmetic number, because the mean of its divisors is an integer number (35084).

2220484 is an apocalyptic number.

It is an amenable number.

220484 is a deficient number, since it is larger than the sum of its proper divisors (200524).

220484 is a wasteful number, since it uses less digits than its factorization.

220484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5026 (or 5024 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 220484 is about 469.5572382575. The cubic root of 220484 is about 60.4123448884.

It can be divided in two parts, 2204 and 84, that multiplied together give a triangular number (185136 = T608).

The spelling of 220484 in words is "two hundred twenty thousand, four hundred eighty-four".

Divisors: 1 2 4 11 22 44 5011 10022 20044 55121 110242 220484