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342125081 is a prime number
BaseRepresentation
bin10100011001000…
…110101000011001
3212211202202101022
4110121012220121
51200041000311
653540532225
711323005134
oct2431065031
9784682338
10342125081
11166136701
12966b1075
1355b5999c
143361b21b
15200805db
hex14646a19

342125081 has 2 divisors, whose sum is σ = 342125082. Its totient is φ = 342125080.

The previous prime is 342125041. The next prime is 342125099. The reversal of 342125081 is 180521243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 294294025 + 47831056 = 17155^2 + 6916^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-342125081 is a prime.

It is a super-2 number, since 2×3421250812 = 234099142098513122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 342125081.

It is not a weakly prime, because it can be changed into another prime (342125041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171062540 + 171062541.

It is an arithmetic number, because the mean of its divisors is an integer number (171062541).

Almost surely, 2342125081 is an apocalyptic number.

It is an amenable number.

342125081 is a deficient number, since it is larger than the sum of its proper divisors (1).

342125081 is an equidigital number, since it uses as much as digits as its factorization.

342125081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 342125081 is about 18496.6235026829. The cubic root of 342125081 is about 699.4043102273.

It can be divided in two parts, 34212 and 5081, that added together give a palindrome (39293).

The spelling of 342125081 in words is "three hundred forty-two million, one hundred twenty-five thousand, eighty-one".