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1431341444 = 221322117369
BaseRepresentation
bin101010101010000…
…1000100110000100
310200202022200100002
41111110020212010
510412410411234
6354010340432
750320126061
oct12524104604
93622280302
101431341444
11674a56015
1233b42a718
1319a703200
14d814dc68
15859d627e
hex55508984

1431341444 has 18 divisors (see below), whose sum is σ = 2712350970. Its totient is φ = 660618816.

The previous prime is 1431341423. The next prime is 1431341467. The reversal of 1431341444 is 4441431341.

It can be written as a sum of positive squares in 3 ways, for example, as 10956100 + 1420385344 = 3310^2 + 37688^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1058009 + ... + 1059360.

It is an arithmetic number, because the mean of its divisors is an integer number (150686165).

Almost surely, 21431341444 is an apocalyptic number.

It is an amenable number.

1431341444 is a deficient number, since it is larger than the sum of its proper divisors (1281009526).

1431341444 is a wasteful number, since it uses less digits than its factorization.

1431341444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117399 (or 2117384 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

The square root of 1431341444 is about 37833.0734146725. The cubic root of 1431341444 is about 1126.9753460593.

Adding to 1431341444 its reverse (4441431341), we get a palindrome (5872772785).

The spelling of 1431341444 in words is "one billion, four hundred thirty-one million, three hundred forty-one thousand, four hundred forty-four".

Divisors: 1 2 4 13 26 52 169 338 676 2117369 4234738 8469476 27525797 55051594 110103188 357835361 715670722 1431341444