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29121352 = 2313280013
BaseRepresentation
bin110111100010…
…1101101001000
32000210111222121
41233011231020
524423340402
62520101024
7502345621
oct157055510
960714877
1029121352
1115490337
129904774
136058090
143c20a48
152853837
hex1bc5b48

29121352 has 16 divisors (see below), whose sum is σ = 58802940. Its totient is φ = 13440576.

The previous prime is 29121329. The next prime is 29121353. The reversal of 29121352 is 25312192.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 27394756 + 1726596 = 5234^2 + 1314^2 .

It is not an unprimeable number, because it can be changed into a prime (29121353) 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 3 ways as a sum of consecutive naturals, for example, 139903 + ... + 140110.

Almost surely, 229121352 is an apocalyptic number.

It is an amenable number.

29121352 is an abundant number, since it is smaller than the sum of its proper divisors (29681588).

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

29121352 is a wasteful number, since it uses less digits than its factorization.

29121352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280032 (or 280028 counting only the distinct ones).

The product of its digits is 1080, while the sum is 25.

The square root of 29121352 is about 5396.4202949733. The cubic root of 29121352 is about 307.6596284909.

The spelling of 29121352 in words is "twenty-nine million, one hundred twenty-one thousand, three hundred fifty-two".

Divisors: 1 2 4 8 13 26 52 104 280013 560026 1120052 2240104 3640169 7280338 14560676 29121352