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29570069 is a prime number
BaseRepresentation
bin111000011001…
…1010000010101
32001122022111202
41300303100111
530032220234
62533442245
7506225054
oct160632025
961568452
1029570069
1115767481
129aa0385
1361843a9
143cda39b
1528e177e
hex1c33415

29570069 has 2 divisors, whose sum is σ = 29570070. Its totient is φ = 29570068.

The previous prime is 29570041. The next prime is 29570071. The reversal of 29570069 is 96007592.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28751044 + 819025 = 5362^2 + 905^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29570069 is a prime.

It is a super-2 number, since 2×295700692 = 1748777961329522, which contains 22 as substring.

Together with 29570071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29570029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14785034 + 14785035.

It is an arithmetic number, because the mean of its divisors is an integer number (14785035).

Almost surely, 229570069 is an apocalyptic number.

It is an amenable number.

29570069 is a deficient number, since it is larger than the sum of its proper divisors (1).

29570069 is an equidigital number, since it uses as much as digits as its factorization.

29570069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 29570069 is about 5437.8367941673. The cubic root of 29570069 is about 309.2317745228.

The spelling of 29570069 in words is "twenty-nine million, five hundred seventy thousand, sixty-nine".