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29132068 = 2272148633
BaseRepresentation
bin110111100100…
…0010100100100
32000211001200111
41233020110210
524424211233
62520222404
7502422100
oct157102444
960731614
1029132068
1115498399
12990aa04
13605cc14
143c24900
152856acd
hex1bc8524

29132068 has 18 divisors (see below), whose sum is σ = 59304966. Its totient is φ = 12485088.

The previous prime is 29132063. The next prime is 29132083. The reversal of 29132068 is 86023192.

It can be written as a sum of positive squares in only one way, i.e., 23600164 + 5531904 = 4858^2 + 2352^2 .

It is not an unprimeable number, because it can be changed into a prime (29132063) 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 in 5 ways as a sum of consecutive naturals, for example, 74121 + ... + 74512.

Almost surely, 229132068 is an apocalyptic number.

29132068 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

29132068 is an abundant number, since it is smaller than the sum of its proper divisors (30172898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29132068 is a wasteful number, since it uses less digits than its factorization.

29132068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148651 (or 148642 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 29132068 is about 5397.4130840617. The cubic root of 29132068 is about 307.6973611285.

The spelling of 29132068 in words is "twenty-nine million, one hundred thirty-two thousand, sixty-eight".

Divisors: 1 2 4 7 14 28 49 98 196 148633 297266 594532 1040431 2080862 4161724 7283017 14566034 29132068