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29789424 = 243379851
BaseRepresentation
bin111000110100…
…0110011110000
32002001110102000
41301220303300
530111230144
62542254000
7511130430
oct161506360
962043360
1029789424
11158a7265
129b87300
1362301a2
143d562c0
152936769
hex1c68cf0

29789424 has 80 divisors (see below), whose sum is σ = 97731840. Its totient is φ = 8510400.

The previous prime is 29789413. The next prime is 29789443. The reversal of 29789424 is 42498792.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 29789424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1902 + ... + 7949.

It is an arithmetic number, because the mean of its divisors is an integer number (1221648).

Almost surely, 229789424 is an apocalyptic number.

29789424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29789424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48865920).

29789424 is an abundant number, since it is smaller than the sum of its proper divisors (67942416).

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

29789424 is a wasteful number, since it uses less digits than its factorization.

29789424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9875 (or 9863 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 29789424 is about 5457.9688529709. The cubic root of 29789424 is about 309.9945333757.

The spelling of 29789424 in words is "twenty-nine million, seven hundred eighty-nine thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 63 72 84 108 112 126 144 168 189 216 252 336 378 432 504 756 1008 1512 3024 9851 19702 29553 39404 59106 68957 78808 88659 118212 137914 157616 177318 206871 236424 265977 275828 354636 413742 472848 531954 551656 620613 709272 827484 1063908 1103312 1241226 1418544 1654968 1861839 2127816 2482452 3309936 3723678 4255632 4964904 7447356 9929808 14894712 29789424