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1441412021 = 7269765487
BaseRepresentation
bin101010111101010…
…0011001110110101
310201110021022120102
41111322203032311
510423000141041
6355010243445
750501541260
oct12572431665
93643238512
101441412021
1167a704205
12342886585
1319c81ac2a
14d9611cd7
158682509b
hex55ea33b5

1441412021 has 8 divisors (see below), whose sum is σ = 1653454080. Its totient is φ = 1230901488.

The previous prime is 1441411913. The next prime is 1441412033. The reversal of 1441412021 is 1202141441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1441412021 is a prime.

It is a super-2 number, since 2×14414120212 = 4155337228566608882, 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 = 1441411984 and 1441412002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1441412041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380861 + ... + 384626.

It is an arithmetic number, because the mean of its divisors is an integer number (206681760).

Almost surely, 21441412021 is an apocalyptic number.

It is an amenable number.

1441412021 is a deficient number, since it is larger than the sum of its proper divisors (212042059).

1441412021 is an equidigital number, since it uses as much as digits as its factorization.

1441412021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765763.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1441412021 is about 37965.9323736426. The cubic root of 1441412021 is about 1129.6122148117.

Adding to 1441412021 its reverse (1202141441), we get a palindrome (2643553462).

The spelling of 1441412021 in words is "one billion, four hundred forty-one million, four hundred twelve thousand, twenty-one".

Divisors: 1 7 269 1883 765487 5358409 205916003 1441412021