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1041392081 is a prime number
BaseRepresentation
bin111110000100100…
…110000111010001
32200120120012101002
4332010212013101
54113044021311
6251200351345
734543454342
oct7604460721
92616505332
101041392081
11494925314
12250915555
131379a0542
149c4440c9
156165a93b
hex3e1261d1

1041392081 has 2 divisors, whose sum is σ = 1041392082. Its totient is φ = 1041392080.

The previous prime is 1041392041. The next prime is 1041392111. The reversal of 1041392081 is 1802931401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 604373056 + 437019025 = 24584^2 + 20905^2 .

It is an emirp because it is prime and its reverse (1802931401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1041392081 is a prime.

It is a super-2 number, since 2×10413920812 = 2168994932739021122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1041392041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520696040 + 520696041.

It is an arithmetic number, because the mean of its divisors is an integer number (520696041).

Almost surely, 21041392081 is an apocalyptic number.

It is an amenable number.

1041392081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1041392081 is an equidigital number, since it uses as much as digits as its factorization.

1041392081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1041392081 is about 32270.6070751698. The cubic root of 1041392081 is about 1013.6112535418.

The spelling of 1041392081 in words is "one billion, forty-one million, three hundred ninety-two thousand, eighty-one".