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1084444481 = 1901357037
BaseRepresentation
bin100000010100011…
…0100111101000001
32210120120111011102
41000220310331001
54210104210411
6255335224145
735605424501
oct10050647501
92716514142
101084444481
1150716020a
12263218055
13143895533
14a404da01
1565311d3b
hex40a34f41

1084444481 has 4 divisors (see below), whose sum is σ = 1084520532. Its totient is φ = 1084368432.

The previous prime is 1084444451. The next prime is 1084444483. The reversal of 1084444481 is 1844444801.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 19009600 + 1065434881 = 4360^2 + 32641^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1084444481 is a prime.

It is a super-2 number, since 2×10844444812 = 2352039664742718722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1084444483) 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, 9506 + ... + 47531.

It is an arithmetic number, because the mean of its divisors is an integer number (271130133).

It is a Poulet number, since it divides 21084444480-1.

Almost surely, 21084444481 is an apocalyptic number.

1084444481 is the 19013-rd octagonal number.

It is an amenable number.

1084444481 is a deficient number, since it is larger than the sum of its proper divisors (76051).

1084444481 is an equidigital number, since it uses as much as digits as its factorization.

1084444481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76050.

The product of its (nonzero) digits is 65536, while the sum is 38.

The square root of 1084444481 is about 32930.9046489768. The cubic root of 1084444481 is about 1027.3910409894.

The spelling of 1084444481 in words is "one billion, eighty-four million, four hundred forty-four thousand, four hundred eighty-one".

Divisors: 1 19013 57037 1084444481