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29118828 = 22323105503
BaseRepresentation
bin110111100010…
…1000101101100
32000210101112010
41233011011230
524423300303
62520041220
7502335354
oct157050554
960711463
1029118828
1115489452
129903210
136056b9b
143c1db64
152852c03
hex1bc516c

29118828 has 24 divisors (see below), whose sum is σ = 70898688. Its totient is φ = 9284176.

The previous prime is 29118797. The next prime is 29118829. The reversal of 29118828 is 82881192.

It is a super-2 number, since 2×291188282 = 1695812288187168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29118829) 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, 52476 + ... + 53027.

It is an arithmetic number, because the mean of its divisors is an integer number (2954112).

Almost surely, 229118828 is an apocalyptic number.

It is an amenable number.

29118828 is an abundant number, since it is smaller than the sum of its proper divisors (41779860).

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

29118828 is a wasteful number, since it uses less digits than its factorization.

29118828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105533 (or 105531 counting only the distinct ones).

The product of its digits is 18432, while the sum is 39.

The square root of 29118828 is about 5396.1864311753. The cubic root of 29118828 is about 307.6507397628.

The spelling of 29118828 in words is "twenty-nine million, one hundred eighteen thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 105503 211006 316509 422012 633018 1266036 2426569 4853138 7279707 9706276 14559414 29118828