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1409101444 = 221374
BaseRepresentation
bin101001111111101…
…0010111010000100
310122012110202210101
41103333102322010
510341212221234
6351453533444
746630110322
oct12377227204
93565422711
101409101444
11663445853
12333aa4284
13195c1734a
14d5200d12
1583a91814
hex53fd2e84

1409101444 has 15 divisors (see below), whose sum is σ = 2484059347. Its totient is φ = 699408016.

The previous prime is 1409101409. The next prime is 1409101459. The reversal of 1409101444 is 4441019041.

The square root of 1409101444 is 37538.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 43059844 + 1366041600 = 6562^2 + 36960^2 .

It is an ABA number since it can be written as A⋅BA, here for A=4, B=137.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 4 ways as a sum of consecutive naturals, for example, 10285344 + ... + 10285480.

Almost surely, 21409101444 is an apocalyptic number.

1409101444 is the 37538-th square number.

It is an amenable number.

1409101444 is a deficient number, since it is larger than the sum of its proper divisors (1074957903).

1409101444 is an frugal number, since it uses more digits than its factorization.

1409101444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The cubic root of 1409101444 is about 1121.1079183400.

Multiplying 1409101444 by its product of nonzero digits (2304), we get a square (3246569726976 = 18018242).

The spelling of 1409101444 in words is "one billion, four hundred nine million, one hundred one thousand, four hundred forty-four".

Divisors: 1 2 4 137 274 548 18769 37538 75076 2571353 5142706 10285412 352275361 704550722 1409101444