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29091042 = 233538723
BaseRepresentation
bin110111011111…
…0010011100010
32000201222102000
41232332103202
524421403132
62515304430
7502161351
oct156762342
960658360
1029091042
111546a592
1298ab116
136047346
143c13998
15284987c
hex1bbe4e2

29091042 has 16 divisors (see below), whose sum is σ = 64646880. Its totient is φ = 9696996.

The previous prime is 29090987. The next prime is 29091047. The reversal of 29091042 is 24019092.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 29090997 and 29091015.

It is not an unprimeable number, because it can be changed into a prime (29091047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269308 + ... + 269415.

It is an arithmetic number, because the mean of its divisors is an integer number (4040430).

Almost surely, 229091042 is an apocalyptic number.

29091042 is an abundant number, since it is smaller than the sum of its proper divisors (35555838).

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

29091042 is a wasteful number, since it uses less digits than its factorization.

29091042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538734 (or 538728 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 29091042 is about 5393.6112206944. The cubic root of 29091042 is about 307.5528523074.

The spelling of 29091042 in words is "twenty-nine million, ninety-one thousand, forty-two".

Divisors: 1 2 3 6 9 18 27 54 538723 1077446 1616169 3232338 4848507 9697014 14545521 29091042