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3172423769 is a prime number
BaseRepresentation
bin1011110100010111…
…0101100001011001
322012002110211021122
42331011311201121
522444120030034
61242444015025
7141421104614
oct27505654131
98162424248
103172423769
111388828a29
12746531475
133b7334b38
1422148b17b
151387a262e
hexbd175859

3172423769 has 2 divisors, whose sum is σ = 3172423770. Its totient is φ = 3172423768.

The previous prime is 3172423763. The next prime is 3172423817. The reversal of 3172423769 is 9673242713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2643193744 + 529230025 = 51412^2 + 23005^2 .

It is an emirp because it is prime and its reverse (9673242713) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3172423769 - 24 = 3172423753 is a prime.

It is a super-2 number, since 2×31724237692 = 20128545140232330722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3172423763) 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, 1586211884 + 1586211885.

It is an arithmetic number, because the mean of its divisors is an integer number (1586211885).

Almost surely, 23172423769 is an apocalyptic number.

It is an amenable number.

3172423769 is a deficient number, since it is larger than the sum of its proper divisors (1).

3172423769 is an equidigital number, since it uses as much as digits as its factorization.

3172423769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 44.

The square root of 3172423769 is about 56324.2733552773. The cubic root of 3172423769 is about 1469.3673938965.

The spelling of 3172423769 in words is "three billion, one hundred seventy-two million, four hundred twenty-three thousand, seven hundred sixty-nine".