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1441357441 = 5212766521
BaseRepresentation
bin101010111101001…
…0101111010000001
310201110011112200221
41111322111322001
510422441414231
6355005143041
750501223166
oct12572257201
93643145627
101441357441
1167a6771a7
1234285aa81
1319c7cc134
14d95da06d
1586813d11
hex55e95e81

1441357441 has 4 divisors (see below), whose sum is σ = 1444124484. Its totient is φ = 1438590400.

The previous prime is 1441357367. The next prime is 1441357447. The reversal of 1441357441 is 1447531441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1447531441 = 1997724853.

It can be written as a sum of positive squares in 2 ways, for example, as 538054416 + 903303025 = 23196^2 + 30055^2 .

It is a cyclic number.

It is not a de Polignac number, because 1441357441 - 215 = 1441324673 is a prime.

It is a super-2 number, since 2×14413574412 = 4155022545452136962, 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 = 1441357397 and 1441357406.

It is not an unprimeable number, because it can be changed into a prime (1441357447) 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, 1382740 + ... + 1383781.

It is an arithmetic number, because the mean of its divisors is an integer number (361031121).

Almost surely, 21441357441 is an apocalyptic number.

It is an amenable number.

1441357441 is a deficient number, since it is larger than the sum of its proper divisors (2767043).

1441357441 is an equidigital number, since it uses as much as digits as its factorization.

1441357441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2767042.

The product of its digits is 26880, while the sum is 34.

The square root of 1441357441 is about 37965.2135645251. The cubic root of 1441357441 is about 1129.5979567989.

Adding to 1441357441 its reverse (1447531441), we get a palindrome (2888888882).

The spelling of 1441357441 in words is "one billion, four hundred forty-one million, three hundred fifty-seven thousand, four hundred forty-one".

Divisors: 1 521 2766521 1441357441