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79206401 is a prime number
BaseRepresentation
bin1001011100010…
…01100000000001
312112001002202102
410232021200001
5130234101101
611505400145
71651146311
oct456114001
9175032672
1079206401
1140789a3a
1222639055
13135430c1
14a73b441
156e4886b
hex4b89801

79206401 has 2 divisors, whose sum is σ = 79206402. Its totient is φ = 79206400.

The previous prime is 79206371. The next prime is 79206403. The reversal of 79206401 is 10460297.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61152400 + 18054001 = 7820^2 + 4249^2 .

It is a cyclic number.

It is not a de Polignac number, because 79206401 - 210 = 79205377 is a prime.

Together with 79206403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (79206403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39603200 + 39603201.

It is an arithmetic number, because the mean of its divisors is an integer number (39603201).

Almost surely, 279206401 is an apocalyptic number.

It is an amenable number.

79206401 is a deficient number, since it is larger than the sum of its proper divisors (1).

79206401 is an equidigital number, since it uses as much as digits as its factorization.

79206401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 79206401 is about 8899.7978066920. The cubic root of 79206401 is about 429.4574028641.

Adding to 79206401 its reverse (10460297), we get a palindrome (89666698).

The spelling of 79206401 in words is "seventy-nine million, two hundred six thousand, four hundred one".