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29477145 = 3523431987
BaseRepresentation
bin111000001110…
…0100100011001
32001110121001010
41300130210121
530021232040
62531444133
7505360125
oct160344431
961417033
1029477145
1115703685
129a56649
136150cc9
143cb4585
1528c3e80
hex1c1c919

29477145 has 32 divisors (see below), whose sum is σ = 50383872. Its totient is φ = 14680512.

The previous prime is 29477111. The next prime is 29477159. The reversal of 29477145 is 54177492.

It is not a de Polignac number, because 29477145 - 27 = 29477017 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 13842 + ... + 15828.

It is an arithmetic number, because the mean of its divisors is an integer number (1574496).

Almost surely, 229477145 is an apocalyptic number.

It is an amenable number.

29477145 is a deficient number, since it is larger than the sum of its proper divisors (20906727).

29477145 is a wasteful number, since it uses less digits than its factorization.

29477145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061.

The product of its digits is 70560, while the sum is 39.

The square root of 29477145 is about 5429.2858646419. The cubic root of 29477145 is about 308.9075141357.

The spelling of 29477145 in words is "twenty-nine million, four hundred seventy-seven thousand, one hundred forty-five".

Divisors: 1 3 5 15 23 43 69 115 129 215 345 645 989 1987 2967 4945 5961 9935 14835 29805 45701 85441 137103 228505 256323 427205 685515 1281615 1965143 5895429 9825715 29477145