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1441232021 = 5374336599
BaseRepresentation
bin101010111100111…
…0111010010010101
310201102221011122202
41111321313102111
510422423411041
6355002334245
750500161425
oct12571672225
93642834582
101441232021
1167a5a0a49
123427ba385
1319c787018
14d95a6485
15867dba9b
hex55e77495

1441232021 has 8 divisors (see below), whose sum is σ = 1470441600. Its totient is φ = 1412097232.

The previous prime is 1441232011. The next prime is 1441232027. The reversal of 1441232021 is 1202321441.

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

It is a de Polignac number, because none of the positive numbers 2k-1441232021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1441231984 and 1441232002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1441232027) 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, 21080 + ... + 57678.

It is an arithmetic number, because the mean of its divisors is an integer number (183805200).

Almost surely, 21441232021 is an apocalyptic number.

It is an amenable number.

1441232021 is a deficient number, since it is larger than the sum of its proper divisors (29209579).

1441232021 is an equidigital number, since it uses as much as digits as its factorization.

1441232021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37395.

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

The square root of 1441232021 is about 37963.5617533445. The cubic root of 1441232021 is about 1129.5651917861.

Adding to 1441232021 its reverse (1202321441), we get a palindrome (2643553462).

The spelling of 1441232021 in words is "one billion, four hundred forty-one million, two hundred thirty-two thousand, twenty-one".

Divisors: 1 53 743 36599 39379 1939747 27193057 1441232021