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29531043 = 3210930103
BaseRepresentation
bin111000010100…
…1101110100011
32001120022222100
41300221232203
530024443133
62532541443
7506003223
oct160515643
961508870
1029531043
1115740123
129a81883
13616c6b9
143cca083
1528d4e13
hex1c29ba3

29531043 has 12 divisors (see below), whose sum is σ = 43048720. Its totient is φ = 19506096.

The previous prime is 29531041. The next prime is 29531053. The reversal of 29531043 is 34013592.

It is not a de Polignac number, because 29531043 - 21 = 29531041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29530998 and 29531016.

It is not an unprimeable number, because it can be changed into a prime (29531041) 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, 14071 + ... + 16032.

Almost surely, 229531043 is an apocalyptic number.

29531043 is a deficient number, since it is larger than the sum of its proper divisors (13517677).

29531043 is a wasteful number, since it uses less digits than its factorization.

29531043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30218 (or 30215 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 29531043 is about 5434.2472339782. The cubic root of 29531043 is about 309.0956752778.

The spelling of 29531043 in words is "twenty-nine million, five hundred thirty-one thousand, forty-three".

Divisors: 1 3 9 109 327 981 30103 90309 270927 3281227 9843681 29531043