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1097924081 is a prime number
BaseRepresentation
bin100000101110000…
…1111110111110001
32211111221022200212
41001130033313301
54222032032311
6300540153505
736131125562
oct10134176761
92744838625
101097924081
11513827681
12267838895
13146604b27
14a5b5c169
15665c5c8b
hex4170fdf1

1097924081 has 2 divisors, whose sum is σ = 1097924082. Its totient is φ = 1097924080.

The previous prime is 1097924059. The next prime is 1097924119. The reversal of 1097924081 is 1804297901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 925133056 + 172791025 = 30416^2 + 13145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1097924081 is a prime.

It is a super-2 number, since 2×10979240812 = 2410874575279389122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1097924041) 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 as a sum of consecutive naturals, namely, 548962040 + 548962041.

It is an arithmetic number, because the mean of its divisors is an integer number (548962041).

Almost surely, 21097924081 is an apocalyptic number.

It is an amenable number.

1097924081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1097924081 is an equidigital number, since it uses as much as digits as its factorization.

1097924081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 1097924081 is about 33134.9374678752. The cubic root of 1097924081 is about 1031.6303338305.

The spelling of 1097924081 in words is "one billion, ninety-seven million, nine hundred twenty-four thousand, eighty-one".