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29472868 = 2237972053
BaseRepresentation
bin111000001101…
…1100001100100
32001110101011201
41300123201210
530021112433
62531412244
7505341505
oct160334144
961411151
1029472868
1115700447
129a54084
13614c089
143cb2bac
1528c2a7d
hex1c1b864

29472868 has 24 divisors (see below), whose sum is σ = 53543672. Its totient is φ = 14183424.

The previous prime is 29472851. The next prime is 29472889. The reversal of 29472868 is 86827492.

It can be written as a sum of positive squares in 4 ways, for example, as 9474084 + 19998784 = 3078^2 + 4472^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13330 + ... + 15382.

Almost surely, 229472868 is an apocalyptic number.

It is an amenable number.

29472868 is a deficient number, since it is larger than the sum of its proper divisors (24070804).

29472868 is a wasteful number, since it uses less digits than its factorization.

29472868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191 (or 2189 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The square root of 29472868 is about 5428.8919679802. The cubic root of 29472868 is about 308.8925730535.

The spelling of 29472868 in words is "twenty-nine million, four hundred seventy-two thousand, eight hundred sixty-eight".

Divisors: 1 2 4 37 74 97 148 194 388 2053 3589 4106 7178 8212 14356 75961 151922 199141 303844 398282 796564 7368217 14736434 29472868