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79468261 is a prime number
BaseRepresentation
bin1001011110010…
…01011011100101
312112112101221221
410233021123211
5130320441021
611515140341
71653316615
oct457113345
9175471857
1079468261
1140948754
12227446b1
1313605352
14a7a8a45
156e9b241
hex4bc96e5

79468261 has 2 divisors, whose sum is σ = 79468262. Its totient is φ = 79468260.

The previous prime is 79468237. The next prime is 79468271. The reversal of 79468261 is 16286497.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42185025 + 37283236 = 6495^2 + 6106^2 .

It is an emirp because it is prime and its reverse (16286497) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79468261 - 25 = 79468229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79468201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39734130 + 39734131.

It is an arithmetic number, because the mean of its divisors is an integer number (39734131).

Almost surely, 279468261 is an apocalyptic number.

It is an amenable number.

79468261 is a deficient number, since it is larger than the sum of its proper divisors (1).

79468261 is an equidigital number, since it uses as much as digits as its factorization.

79468261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 43.

The square root of 79468261 is about 8914.4972376461. The cubic root of 79468261 is about 429.9301509042.

The spelling of 79468261 in words is "seventy-nine million, four hundred sixty-eight thousand, two hundred sixty-one".