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29026389 = 373737357
BaseRepresentation
bin110111010111…
…0100001010101
32000121200201110
41232232201111
524412321024
62514045233
7501502020
oct156564125
960550643
1029026389
1115425a57
129879819
136023aa2
143bd81b7
152835629
hex1bae855

29026389 has 16 divisors (see below), whose sum is σ = 45427328. Its totient is φ = 16137792.

The previous prime is 29026381. The next prime is 29026399. The reversal of 29026389 is 98362092.

It is not a de Polignac number, because 29026389 - 23 = 29026381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29026381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17902 + ... + 19455.

It is an arithmetic number, because the mean of its divisors is an integer number (2839208).

Almost surely, 229026389 is an apocalyptic number.

It is an amenable number.

29026389 is a deficient number, since it is larger than the sum of its proper divisors (16400939).

29026389 is a wasteful number, since it uses less digits than its factorization.

29026389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37404.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 29026389 is about 5387.6144071379. The cubic root of 29026389 is about 307.3248443953.

The spelling of 29026389 in words is "twenty-nine million, twenty-six thousand, three hundred eighty-nine".

Divisors: 1 3 7 21 37 111 259 777 37357 112071 261499 784497 1382209 4146627 9675463 29026389