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4406731380 = 2232524481841
BaseRepresentation
bin1000001101010100…
…10110001001110100
3102101010001011000100
410012222112021310
533011110401010
62005135314100
7214126412232
oct40652261164
912333034010
104406731380
111961537567
12a2b97b930
13552c7bb7c
142db38b952
151abd182c0
hex106a96274

4406731380 has 36 divisors (see below), whose sum is σ = 13367085732. Its totient is φ = 1175128320.

The previous prime is 4406731379. The next prime is 4406731393. The reversal of 4406731380 is 831376044.

It can be written as a sum of positive squares in 2 ways, for example, as 2634152976 + 1772578404 = 51324^2 + 42102^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12240741 + ... + 12241100.

It is an arithmetic number, because the mean of its divisors is an integer number (371307937).

Almost surely, 24406731380 is an apocalyptic number.

It is an amenable number.

4406731380 is an abundant number, since it is smaller than the sum of its proper divisors (8960354352).

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

4406731380 is a wasteful number, since it uses less digits than its factorization.

4406731380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24481856 (or 24481851 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 4406731380 is about 66383.2161016623. The cubic root of 4406731380 is about 1639.4777461601.

The spelling of 4406731380 in words is "four billion, four hundred six million, seven hundred thirty-one thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 24481841 48963682 73445523 97927364 122409205 146891046 220336569 244818410 293782092 367227615 440673138 489636820 734455230 881346276 1101682845 1468910460 2203365690 4406731380