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220234641 = 31121016007
BaseRepresentation
bin11010010000010…
…00001110010001
3120100102002010120
431020020032101
5422340002031
633504220453
75312651334
oct1510101621
9510362116
10220234641
11103353600
126190a729
1336820473
142136c61b
1514504a96
hexd208391

220234641 has 24 divisors (see below), whose sum is σ = 326018112. Its totient is φ = 132132000.

The previous prime is 220234603. The next prime is 220234661. The reversal of 220234641 is 146432022.

It is not a de Polignac number, because 220234641 - 225 = 186680209 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220234661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33660 + ... + 39666.

It is an arithmetic number, because the mean of its divisors is an integer number (13584088).

Almost surely, 2220234641 is an apocalyptic number.

It is an amenable number.

220234641 is a deficient number, since it is larger than the sum of its proper divisors (105783471).

220234641 is a wasteful number, since it uses less digits than its factorization.

220234641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6133 (or 6122 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 220234641 is about 14840.3046127767. The cubic root of 220234641 is about 603.8956161075.

Adding to 220234641 its reverse (146432022), we get a palindrome (366666663).

The spelling of 220234641 in words is "two hundred twenty million, two hundred thirty-four thousand, six hundred forty-one".

Divisors: 1 3 11 33 101 121 303 363 1111 3333 6007 12221 18021 36663 66077 198231 606707 726847 1820121 2180541 6673777 20021331 73411547 220234641