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29090912 = 25909091
BaseRepresentation
bin110111011111…
…0010001100000
32000201222020012
41232332101200
524421402122
62515304052
7502161104
oct156762140
960658205
1029090912
111546a484
1298ab028
136047276
143c13904
1528497e2
hex1bbe460

29090912 has 12 divisors (see below), whose sum is σ = 57272796. Its totient is φ = 14545440.

The previous prime is 29090911. The next prime is 29090921. The reversal of 29090912 is 21909092.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 909091 = 29090912 / (2 + 9 + 0 + 9 + 0 + 9 + 1 + 2).

It is an enlightened number because it begins with the concatenation of its prime factors (2909091).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29090911) 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 as a sum of consecutive naturals, namely, 454514 + ... + 454577.

It is an arithmetic number, because the mean of its divisors is an integer number (4772733).

Almost surely, 229090912 is an apocalyptic number.

It is an amenable number.

29090912 is a deficient number, since it is larger than the sum of its proper divisors (28181884).

29090912 is an equidigital number, since it uses as much as digits as its factorization.

29090912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909101 (or 909093 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 29090912 is about 5393.5991693859. The cubic root of 29090912 is about 307.5523941832.

The spelling of 29090912 in words is "twenty-nine million, ninety thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 32 909091 1818182 3636364 7272728 14545456 29090912