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29179121 is a prime number
BaseRepresentation
bin110111101001…
…1110011110001
32000220110020012
41233103303301
524432212441
62521224305
7503006216
oct157236361
960813205
1029179121
111551a784
129932095
13607846a
143c37b0d
1528659eb
hex1bd3cf1

29179121 has 2 divisors, whose sum is σ = 29179122. Its totient is φ = 29179120.

The previous prime is 29179109. The next prime is 29179141. The reversal of 29179121 is 12197192.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26666896 + 2512225 = 5164^2 + 1585^2 .

It is a cyclic number.

It is not a de Polignac number, because 29179121 - 214 = 29162737 is a prime.

It is a super-2 number, since 2×291791212 = 1702842204665282, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (29179141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14589560 + 14589561.

It is an arithmetic number, because the mean of its divisors is an integer number (14589561).

Almost surely, 229179121 is an apocalyptic number.

It is an amenable number.

29179121 is a deficient number, since it is larger than the sum of its proper divisors (1).

29179121 is an equidigital number, since it uses as much as digits as its factorization.

29179121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 32.

The square root of 29179121 is about 5401.7701728230. The cubic root of 29179121 is about 307.8629323484.

The spelling of 29179121 in words is "twenty-nine million, one hundred seventy-nine thousand, one hundred twenty-one".