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372242561 is a prime number
BaseRepresentation
bin10110001011111…
…111100010000001
3221221102212210112
4112023333202001
51230243230221
6100534241105
712140003165
oct2613774201
9857385715
10372242561
11181137389
12a47b6195
135c173292
143761aca5
1522a2e15b
hex162ff881

372242561 has 2 divisors, whose sum is σ = 372242562. Its totient is φ = 372242560.

The previous prime is 372242551. The next prime is 372242569. The reversal of 372242561 is 165242273.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221444161 + 150798400 = 14881^2 + 12280^2 .

It is a cyclic number.

It is not a de Polignac number, because 372242561 - 214 = 372226177 is a prime.

It is not a weakly prime, because it can be changed into another prime (372242569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186121280 + 186121281.

It is an arithmetic number, because the mean of its divisors is an integer number (186121281).

Almost surely, 2372242561 is an apocalyptic number.

It is an amenable number.

372242561 is a deficient number, since it is larger than the sum of its proper divisors (1).

372242561 is an equidigital number, since it uses as much as digits as its factorization.

372242561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 32.

The square root of 372242561 is about 19293.5885982883. The cubic root of 372242561 is about 719.3529172094.

The spelling of 372242561 in words is "three hundred seventy-two million, two hundred forty-two thousand, five hundred sixty-one".