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29011968 = 21232787
BaseRepresentation
bin110111010101…
…1000000000000
32000120221221100
41232223000000
524411340333
62513454400
7501411666
oct156530000
960527840
1029011968
1115416137
129871400
13601a35b
143bd2c36
152831213
hex1bab000

29011968 has 78 divisors (see below), whose sum is σ = 83908604. Its totient is φ = 9658368.

The previous prime is 29011963. The next prime is 29011973. The reversal of 29011968 is 86911092.

It is an interprime number because it is at equal distance from previous prime (29011963) and next prime (29011973).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (29011963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36471 + ... + 37257.

Almost surely, 229011968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29011968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41954302).

29011968 is an abundant number, since it is smaller than the sum of its proper divisors (54896636).

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

29011968 is an equidigital number, since it uses as much as digits as its factorization.

29011968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817 (or 792 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 29011968 is about 5386.2758934165. The cubic root of 29011968 is about 307.2739405350.

The spelling of 29011968 in words is "twenty-nine million, eleven thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 512 576 768 787 1024 1152 1536 1574 2048 2304 2361 3072 3148 4096 4608 4722 6144 6296 7083 9216 9444 12288 12592 14166 18432 18888 25184 28332 36864 37776 50368 56664 75552 100736 113328 151104 201472 226656 302208 402944 453312 604416 805888 906624 1208832 1611776 1813248 2417664 3223552 3626496 4835328 7252992 9670656 14505984 29011968