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1441021641 = 31016317537
BaseRepresentation
bin101010111100100…
…0011111011001001
310201102112111001220
41111321003323021
510422400143031
6354554032253
750465324163
oct12571037311
93642474056
101441021641
1167a467984
12342718689
1319c712337
14d954d933
1586799596
hex55e43ec9

1441021641 has 16 divisors (see below), whose sum is σ = 1943718528. Its totient is φ = 949536000.

The previous prime is 1441021601. The next prime is 1441021657. The reversal of 1441021641 is 1461201441.

It is not a de Polignac number, because 1441021641 - 218 = 1440759497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1441021601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187425 + ... + 194961.

It is an arithmetic number, because the mean of its divisors is an integer number (121482408).

Almost surely, 21441021641 is an apocalyptic number.

It is an amenable number.

1441021641 is a deficient number, since it is larger than the sum of its proper divisors (502696887).

1441021641 is a wasteful number, since it uses less digits than its factorization.

1441021641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8272.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1441021641 is about 37960.7908373890. The cubic root of 1441021641 is about 1129.5102273563.

The spelling of 1441021641 in words is "one billion, four hundred forty-one million, twenty-one thousand, six hundred forty-one".

Divisors: 1 3 101 303 631 1893 7537 22611 63731 191193 761237 2283711 4755847 14267541 480340547 1441021641