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29048508 = 2232806903
BaseRepresentation
bin110111011001…
…1111010111100
32000122211001200
41232303322330
524414023013
62514335500
7501623346
oct156637274
960584050
1029048508
1115440635
12988a590
136030b88
143c02296
15283be73
hex1bb3ebc

29048508 has 18 divisors (see below), whose sum is σ = 73428264. Its totient is φ = 9682824.

The previous prime is 29048507. The next prime is 29048527. The reversal of 29048508 is 80584092.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 806903 = 29048508 / (2 + 9 + 0 + 4 + 8 + 5 + 0 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29048501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 403416 + ... + 403487.

It is an arithmetic number, because the mean of its divisors is an integer number (4079348).

Almost surely, 229048508 is an apocalyptic number.

It is an amenable number.

29048508 is an abundant number, since it is smaller than the sum of its proper divisors (44379756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29048508 is a wasteful number, since it uses less digits than its factorization.

29048508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806913 (or 806908 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 29048508 is about 5389.6667800524. Note that the first 3 decimals coincide. The cubic root of 29048508 is about 307.4028882318.

The spelling of 29048508 in words is "twenty-nine million, forty-eight thousand, five hundred eight".

Divisors: 1 2 3 4 6 9 12 18 36 806903 1613806 2420709 3227612 4841418 7262127 9682836 14524254 29048508