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3140421444 = 223287233929
BaseRepresentation
bin1011101100101111…
…0000011101000100
322002212020221100100
42323023300131010
522412421441234
61235342044100
7140552066436
oct27313603504
98085227310
103140421444
111371760126
12737879630
133b080b654
1421b11a656
15135a80399
hexbb2f0744

3140421444 has 18 divisors (see below), whose sum is σ = 7938287630. Its totient is φ = 1046807136.

The previous prime is 3140421439. The next prime is 3140421457. The reversal of 3140421444 is 4441240413.

3140421444 is a `hidden beast` number, since 3 + 1 + 404 + 214 + 44 = 666.

3140421444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2615095044 + 525326400 = 51138^2 + 22920^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43616929 + ... + 43617000.

Almost surely, 23140421444 is an apocalyptic number.

It is an amenable number.

3140421444 is an abundant number, since it is smaller than the sum of its proper divisors (4797866186).

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

3140421444 is a wasteful number, since it uses less digits than its factorization.

3140421444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87233939 (or 87233934 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 3140421444 is about 56039.4632736610. The cubic root of 3140421444 is about 1464.4098612815.

Adding to 3140421444 its reverse (4441240413), we get a palindrome (7581661857).

The spelling of 3140421444 in words is "three billion, one hundred forty million, four hundred twenty-one thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 87233929 174467858 261701787 348935716 523403574 785105361 1046807148 1570210722 3140421444