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1082838661 is a prime number
BaseRepresentation
bin100000010001010…
…1100111010000101
32210110112220101121
41000202230322011
54204201314121
6255240553541
735555656012
oct10042547205
92713486347
101082838661
11506263793
122627828b1
13143452648
14a3b52709
15650e6141
hex408ace85

1082838661 has 2 divisors, whose sum is σ = 1082838662. Its totient is φ = 1082838660.

The previous prime is 1082838619. The next prime is 1082838677. The reversal of 1082838661 is 1668382801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 836944900 + 245893761 = 28930^2 + 15681^2 .

It is an emirp because it is prime and its reverse (1668382801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1082838661 - 211 = 1082836613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1082838611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541419330 + 541419331.

It is an arithmetic number, because the mean of its divisors is an integer number (541419331).

Almost surely, 21082838661 is an apocalyptic number.

It is an amenable number.

1082838661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1082838661 is an equidigital number, since it uses as much as digits as its factorization.

1082838661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 1082838661 is about 32906.5139600049. The cubic root of 1082838661 is about 1026.8836782761.

The spelling of 1082838661 in words is "one billion, eighty-two million, eight hundred thirty-eight thousand, six hundred sixty-one".