Search a number
-
+
2205541420 = 225110277071
BaseRepresentation
bin1000001101110101…
…1110010000101100
312200201010010001021
42003131132100230
514004104311140
61002504223524
7105440535625
oct20335362054
95621103037
102205541420
11a31a74a05
1251676aba4
13291c219c4
1416ccc0a4c
15cd963b4a
hex8375e42c

2205541420 has 12 divisors (see below), whose sum is σ = 4631637024. Its totient is φ = 882216560.

The previous prime is 2205541409. The next prime is 2205541439. The reversal of 2205541420 is 241455022.

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, 55138516 + ... + 55138555.

It is an arithmetic number, because the mean of its divisors is an integer number (385969752).

Almost surely, 22205541420 is an apocalyptic number.

2205541420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2205541420 is an abundant number, since it is smaller than the sum of its proper divisors (2426095604).

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

2205541420 is a wasteful number, since it uses less digits than its factorization.

2205541420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110277080 (or 110277078 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2205541420 is about 46963.1921828148. The cubic root of 2205541420 is about 1301.6825196912.

Adding to 2205541420 its reverse (241455022), we get a palindrome (2446996442).

The spelling of 2205541420 in words is "two billion, two hundred five million, five hundred forty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 110277071 220554142 441108284 551385355 1102770710 2205541420