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29816904 = 23313227421
BaseRepresentation
bin111000110111…
…1100001001000
32002002212002210
41301233201020
530113120104
62543025120
7511303515
oct161574110
962085083
1029816904
1115915977
129b9b1a0
13623c850
143d6230c
15293e989
hex1c6f848

29816904 has 64 divisors (see below), whose sum is σ = 80821440. Its totient is φ = 9112320.

The previous prime is 29816903. The next prime is 29816911. The reversal of 29816904 is 40961892.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29816903) 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, 70614 + ... + 71034.

It is an arithmetic number, because the mean of its divisors is an integer number (1262835).

Almost surely, 229816904 is an apocalyptic number.

29816904 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 29816904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40410720).

29816904 is an abundant number, since it is smaller than the sum of its proper divisors (51004536).

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

29816904 is a wasteful number, since it uses less digits than its factorization.

29816904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 29816904 is about 5460.4856926834. The cubic root of 29816904 is about 310.0898248199.

The spelling of 29816904 in words is "twenty-nine million, eight hundred sixteen thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 227 312 421 454 681 842 908 1263 1362 1684 1816 2526 2724 2951 3368 5052 5448 5473 5902 8853 10104 10946 11804 16419 17706 21892 23608 32838 35412 43784 65676 70824 95567 131352 191134 286701 382268 573402 764536 1146804 1242371 2293608 2484742 3727113 4969484 7454226 9938968 14908452 29816904