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1401143024 = 2487571439
BaseRepresentation
bin101001110000011…
…1011111011110000
310121122111102220002
41103200323323300
510332143034044
6351011205132
746502343041
oct12340737360
93548442802
101401143024
116599aa546
123312a67a8
1319438bb18
14d412c8c8
158301d74e
hex5383bef0

1401143024 has 10 divisors (see below), whose sum is σ = 2714714640. Its totient is φ = 700571504.

The previous prime is 1401143017. The next prime is 1401143041. The reversal of 1401143024 is 4203411041.

It is a junction number, because it is equal to n+sod(n) for n = 1401142987 and 1401143005.

It is a congruent 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 as a sum of consecutive naturals, namely, 43785704 + ... + 43785735.

It is an arithmetic number, because the mean of its divisors is an integer number (271471464).

Almost surely, 21401143024 is an apocalyptic number.

It is an amenable number.

1401143024 is a deficient number, since it is larger than the sum of its proper divisors (1313571616).

1401143024 is an equidigital number, since it uses as much as digits as its factorization.

1401143024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87571447 (or 87571441 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1401143024 is about 37431.8450520409. The cubic root of 1401143024 is about 1118.9933088609.

Adding to 1401143024 its reverse (4203411041), we get a palindrome (5604554065).

The spelling of 1401143024 in words is "one billion, four hundred one million, one hundred forty-three thousand, twenty-four".

Divisors: 1 2 4 8 16 87571439 175142878 350285756 700571512 1401143024