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29129069 is a prime number
BaseRepresentation
bin110111100011…
…1100101101101
32000210220120102
41233013211231
524424112234
62520200445
7502410254
oct157074555
960726512
1029129069
1115496112
129909125
13605b748
143c2379b
152855c7e
hex1bc796d

29129069 has 2 divisors, whose sum is σ = 29129070. Its totient is φ = 29129068.

The previous prime is 29129059. The next prime is 29129083. The reversal of 29129069 is 96092192.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28249225 + 879844 = 5315^2 + 938^2 .

It is a cyclic number.

It is not a de Polignac number, because 29129069 - 224 = 12351853 is a prime.

It is a super-2 number, since 2×291290692 = 1697005321613522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29129039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14564534 + 14564535.

It is an arithmetic number, because the mean of its divisors is an integer number (14564535).

Almost surely, 229129069 is an apocalyptic number.

It is an amenable number.

29129069 is a deficient number, since it is larger than the sum of its proper divisors (1).

29129069 is an equidigital number, since it uses as much as digits as its factorization.

29129069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 29129069 is about 5397.1352586349. The cubic root of 29129069 is about 307.6868021339.

The spelling of 29129069 in words is "twenty-nine million, one hundred twenty-nine thousand, sixty-nine".