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29710944 = 2532711453
BaseRepresentation
bin111000101010…
…1101001100000
32001220110202100
41301111221200
530101222234
62540450400
7510352554
oct161255140
961813670
1029710944
11158532aa
129b49a00
136203553
143d35864
15291d399
hex1c55a60

29710944 has 72 divisors (see below), whose sum is σ = 85739472. Its totient is φ = 9757440.

The previous prime is 29710939. The next prime is 29710981. The reversal of 29710944 is 44901792.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-3 number, since 3×297109443 (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is a junction number, because it is equal to n+sod(n) for n = 29710899 and 29710908.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19722 + ... + 21174.

It is an arithmetic number, because the mean of its divisors is an integer number (1190826).

Almost surely, 229710944 is an apocalyptic number.

29710944 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 29710944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42869736).

29710944 is an abundant number, since it is smaller than the sum of its proper divisors (56028528).

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

29710944 is a wasteful number, since it uses less digits than its factorization.

29710944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540 (or 1529 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 29710944 is about 5450.7746238493. The cubic root of 29710944 is about 309.7220679239.

The spelling of 29710944 in words is "twenty-nine million, seven hundred ten thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 71 72 96 142 144 213 284 288 426 568 639 852 1136 1278 1453 1704 2272 2556 2906 3408 4359 5112 5812 6816 8718 10224 11624 13077 17436 20448 23248 26154 34872 46496 52308 69744 103163 104616 139488 206326 209232 309489 412652 418464 618978 825304 928467 1237956 1650608 1856934 2475912 3301216 3713868 4951824 7427736 9903648 14855472 29710944