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29931083 = 713225301
BaseRepresentation
bin111001000101…
…1011001001011
32002022122201122
41302023121023
530130243313
62545305455
7512260430
oct162133113
962278648
1029931083
1115993736
12a03528b
13627c800
143d91b87
152963708
hex1c8b64b

29931083 has 12 divisors (see below), whose sum is σ = 37042128. Its totient is φ = 23680800.

The previous prime is 29931059. The next prime is 29931091. The reversal of 29931083 is 38013992.

It is not a de Polignac number, because 29931083 - 214 = 29914699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29931043) 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 11 ways as a sum of consecutive naturals, for example, 11468 + ... + 13833.

It is an arithmetic number, because the mean of its divisors is an integer number (3086844).

Almost surely, 229931083 is an apocalyptic number.

29931083 is a deficient number, since it is larger than the sum of its proper divisors (7111045).

29931083 is a wasteful number, since it uses less digits than its factorization.

29931083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25334 (or 25321 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 29931083 is about 5470.9307252057. The cubic root of 29931083 is about 310.4851335625.

The spelling of 29931083 in words is "twenty-nine million, nine hundred thirty-one thousand, eighty-three".

Divisors: 1 7 13 91 169 1183 25301 177107 328913 2302391 4275869 29931083