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29880017 is a prime number
BaseRepresentation
bin111000111111…
…0111011010001
32002020001200022
41301332323101
530122130032
62544233225
7511655516
oct161767321
962201608
1029880017
1115959332
12a00b815
1362624ab
143d7b30d
152953512
hex1c7eed1

29880017 has 2 divisors, whose sum is σ = 29880018. Its totient is φ = 29880016.

The previous prime is 29879959. The next prime is 29880047. The reversal of 29880017 is 71008892.

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., 24196561 + 5683456 = 4919^2 + 2384^2 .

It is a cyclic number.

It is not a de Polignac number, because 29880017 - 210 = 29878993 is a prime.

It is not a weakly prime, because it can be changed into another prime (29880047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14940008 + 14940009.

It is an arithmetic number, because the mean of its divisors is an integer number (14940009).

Almost surely, 229880017 is an apocalyptic number.

It is an amenable number.

29880017 is a deficient number, since it is larger than the sum of its proper divisors (1).

29880017 is an equidigital number, since it uses as much as digits as its factorization.

29880017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 29880017 is about 5466.2617024800. The cubic root of 29880017 is about 310.3084581494.

The spelling of 29880017 in words is "twenty-nine million, eight hundred eighty thousand, seventeen".