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29880479 is a prime number
BaseRepresentation
bin111000111111…
…1000010011111
32002020002022102
41301333002133
530122133404
62544235315
7511660046
oct161770237
962202272
1029880479
1115959712
12a00bb3b
136262775
143d7b55d
15295371e
hex1c7f09f

29880479 has 2 divisors, whose sum is σ = 29880480. Its totient is φ = 29880478.

The previous prime is 29880467. The next prime is 29880493. The reversal of 29880479 is 97408892.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29880479 - 24 = 29880463 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29880419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14940239 + 14940240.

It is an arithmetic number, because the mean of its divisors is an integer number (14940240).

Almost surely, 229880479 is an apocalyptic number.

29880479 is a deficient number, since it is larger than the sum of its proper divisors (1).

29880479 is an equidigital number, since it uses as much as digits as its factorization.

29880479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 29880479 is about 5466.3039615448. The cubic root of 29880479 is about 310.3100574543.

The spelling of 29880479 in words is "twenty-nine million, eight hundred eighty thousand, four hundred seventy-nine".