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2197570241 is a prime number
BaseRepresentation
bin1000001011111100…
…0100001011000001
312200011010010122102
42002333010023001
514000034221431
61002021320145
7105313016216
oct20277041301
95604103572
102197570241
11a28520059
12513b66055
13290390729
1416bc07b0d
15ccddbdcb
hex82fc42c1

2197570241 has 2 divisors, whose sum is σ = 2197570242. Its totient is φ = 2197570240.

The previous prime is 2197570237. The next prime is 2197570261. The reversal of 2197570241 is 1420757912.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1436031025 + 761539216 = 37895^2 + 27596^2 .

It is a cyclic number.

It is not a de Polignac number, because 2197570241 - 22 = 2197570237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2197570195 and 2197570204.

It is not a weakly prime, because it can be changed into another prime (2197570261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1098785120 + 1098785121.

It is an arithmetic number, because the mean of its divisors is an integer number (1098785121).

Almost surely, 22197570241 is an apocalyptic number.

It is an amenable number.

2197570241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2197570241 is an equidigital number, since it uses as much as digits as its factorization.

2197570241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 2197570241 is about 46878.2491247273. The cubic root of 2197570241 is about 1300.1124638404.

The spelling of 2197570241 in words is "two billion, one hundred ninety-seven million, five hundred seventy thousand, two hundred forty-one".