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29012642 = 2171276719
BaseRepresentation
bin110111010101…
…1001010100010
32000120222212022
41232223022202
524411401032
62513501442
7501413651
oct156531242
960528768
1029012642
111541669a
129871882
13601a759
143bd3198
152831512
hex1bab2a2

29012642 has 16 divisors (see below), whose sum is σ = 46448640. Its totient is φ = 13543488.

The previous prime is 29012629. The next prime is 29012647. The reversal of 29012642 is 24621092.

It is not an unprimeable number, because it can be changed into a prime (29012647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 959 + ... + 7677.

It is an arithmetic number, because the mean of its divisors is an integer number (2903040).

Almost surely, 229012642 is an apocalyptic number.

29012642 is a deficient number, since it is larger than the sum of its proper divisors (17435998).

29012642 is a wasteful number, since it uses less digits than its factorization.

29012642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6865.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 29012642 is about 5386.3384594732. The cubic root of 29012642 is about 307.2763200247.

The spelling of 29012642 in words is "twenty-nine million, twelve thousand, six hundred forty-two".

Divisors: 1 2 17 34 127 254 2159 4318 6719 13438 114223 228446 853313 1706626 14506321 29012642