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1441401431 = 3733864347
BaseRepresentation
bin101010111101010…
…0000101001010111
310201110020210001012
41111322200221113
510422444321211
6355010122435
750501465351
oct12572405127
93643223035
101441401431
1167a6a7258
1234288041b
1319c816172
14d960c0d1
1586821d8b
hex55ea0a57

1441401431 has 4 divisors (see below), whose sum is σ = 1445266152. Its totient is φ = 1437536712.

The previous prime is 1441401419. The next prime is 1441401433. The reversal of 1441401431 is 1341041441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1441401431 - 222 = 1437207127 is a prime.

It is a super-2 number, since 2×14414014312 = 4155276170577695522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1441401397 and 1441401406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1441401433) 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, 1931801 + ... + 1932546.

It is an arithmetic number, because the mean of its divisors is an integer number (361316538).

Almost surely, 21441401431 is an apocalyptic number.

1441401431 is a deficient number, since it is larger than the sum of its proper divisors (3864721).

1441401431 is an equidigital number, since it uses as much as digits as its factorization.

1441401431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3864720.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1441401431 is about 37965.7929062465. The cubic root of 1441401431 is about 1129.6094483987.

Adding to 1441401431 its reverse (1341041441), we get a palindrome (2782442872).

The spelling of 1441401431 in words is "one billion, four hundred forty-one million, four hundred one thousand, four hundred thirty-one".

Divisors: 1 373 3864347 1441401431