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1400026441 = 11127275131
BaseRepresentation
bin101001101110010…
…1011010101001001
310121120101201020011
41103130223111021
510331401321231
6350531231521
746460012512
oct12334532511
93546351204
101400026441
11659307650
12330a485a1
1319408a818
14d3d1ba09
1582d9c9b1
hex5372b549

1400026441 has 4 divisors (see below), whose sum is σ = 1527301584. Its totient is φ = 1272751300.

The previous prime is 1400026363. The next prime is 1400026447. The reversal of 1400026441 is 1446200041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1400026441 - 221 = 1397929289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400026447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63637555 + ... + 63637576.

It is an arithmetic number, because the mean of its divisors is an integer number (381825396).

Almost surely, 21400026441 is an apocalyptic number.

1400026441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1400026441 is a deficient number, since it is larger than the sum of its proper divisors (127275143).

1400026441 is a wasteful number, since it uses less digits than its factorization.

1400026441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127275142.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1400026441 is about 37416.9271987960. The cubic root of 1400026441 is about 1118.6959847167.

Adding to 1400026441 its reverse (1446200041), we get a palindrome (2846226482).

The spelling of 1400026441 in words is "one billion, four hundred million, twenty-six thousand, four hundred forty-one".

Divisors: 1 11 127275131 1400026441