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979468261 is a prime number
BaseRepresentation
bin111010011000010…
…111111111100101
32112021001010212021
4322120113333211
54001220441021
6241105223141
733162225412
oct7230277745
92467033767
10979468261
11462980002
12234031ab1
13127bcba25
1494125109
155aec7c41
hex3a617fe5

979468261 has 2 divisors, whose sum is σ = 979468262. Its totient is φ = 979468260.

The previous prime is 979468241. The next prime is 979468279. The reversal of 979468261 is 162864979.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 960380100 + 19088161 = 30990^2 + 4369^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-979468261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 979468199 and 979468208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (979468241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489734130 + 489734131.

It is an arithmetic number, because the mean of its divisors is an integer number (489734131).

Almost surely, 2979468261 is an apocalyptic number.

It is an amenable number.

979468261 is a deficient number, since it is larger than the sum of its proper divisors (1).

979468261 is an equidigital number, since it uses as much as digits as its factorization.

979468261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 52.

The square root of 979468261 is about 31296.4576429985. The cubic root of 979468261 is about 993.1087061582.

The spelling of 979468261 in words is "nine hundred seventy-nine million, four hundred sixty-eight thousand, two hundred sixty-one".