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29938061 is a prime number
BaseRepresentation
bin111001000110…
…1000110001101
32002100000022002
41302031012031
530131004221
62545402045
7512316656
oct162150615
962300262
1029938061
11159989aa
12a039325
136282a3a
143d9452d
15296580b
hex1c8d18d

29938061 has 2 divisors, whose sum is σ = 29938062. Its totient is φ = 29938060.

The previous prime is 29938031. The next prime is 29938067. The reversal of 29938061 is 16083992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29920900 + 17161 = 5470^2 + 131^2 .

It is a cyclic number.

It is not a de Polignac number, because 29938061 - 26 = 29937997 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29938067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14969030 + 14969031.

It is an arithmetic number, because the mean of its divisors is an integer number (14969031).

Almost surely, 229938061 is an apocalyptic number.

It is an amenable number.

29938061 is a deficient number, since it is larger than the sum of its proper divisors (1).

29938061 is an equidigital number, since it uses as much as digits as its factorization.

29938061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 29938061 is about 5471.5684223082. The cubic root of 29938061 is about 310.5092600635.

The spelling of 29938061 in words is "twenty-nine million, nine hundred thirty-eight thousand, sixty-one".