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29955047 = 43696629
BaseRepresentation
bin111001001000…
…1001111100111
32002100212121012
41302101033213
530132030142
62550012435
7512420333
oct162211747
962325535
1029955047
11159aa741
12a04711b
13628a6a5
143d9a7c3
15296a882
hex1c913e7

29955047 has 4 divisors (see below), whose sum is σ = 30651720. Its totient is φ = 29258376.

The previous prime is 29955041. The next prime is 29955049. The reversal of 29955047 is 74055992.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29955047 - 24 = 29955031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29954995 and 29955013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29955041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348272 + ... + 348357.

It is an arithmetic number, because the mean of its divisors is an integer number (7662930).

Almost surely, 229955047 is an apocalyptic number.

29955047 is a deficient number, since it is larger than the sum of its proper divisors (696673).

29955047 is an equidigital number, since it uses as much as digits as its factorization.

29955047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696672.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 29955047 is about 5473.1204079574. The cubic root of 29955047 is about 310.5679736534.

The spelling of 29955047 in words is "twenty-nine million, nine hundred fifty-five thousand, forty-seven".

Divisors: 1 43 696629 29955047