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1400233444 = 22439779613
BaseRepresentation
bin101001101110101…
…1101110111100100
310121120210020011221
41103131131313210
510331424432234
6350535510124
746461534151
oct12335356744
93546706157
101400233444
11659439125
12330b28344
13194130acc
14d3d73228
1582dddeb4
hex5375dde4

1400233444 has 12 divisors (see below), whose sum is σ = 2450996604. Its totient is φ = 699948704.

The previous prime is 1400233433. The next prime is 1400233459. The reversal of 1400233444 is 4443320041.

It can be written as a sum of positive squares in 2 ways, for example, as 207360000 + 1192873444 = 14400^2 + 34538^2 .

It is a super-2 number, since 2×14002334442 = 3921307395392202272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22219 + ... + 57394.

It is an arithmetic number, because the mean of its divisors is an integer number (204249717).

Almost surely, 21400233444 is an apocalyptic number.

It is an amenable number.

1400233444 is a deficient number, since it is larger than the sum of its proper divisors (1050763160).

1400233444 is a wasteful number, since it uses less digits than its factorization.

1400233444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84014 (or 84012 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1400233444 is about 37419.6932643762. The cubic root of 1400233444 is about 1118.7511174879.

Adding to 1400233444 its reverse (4443320041), we get a palindrome (5843553485).

The spelling of 1400233444 in words is "one billion, four hundred million, two hundred thirty-three thousand, four hundred forty-four".

Divisors: 1 2 4 4397 8794 17588 79613 159226 318452 350058361 700116722 1400233444