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29013768 = 2333731619
BaseRepresentation
bin110111010101…
…1011100001000
32000121001102000
41232223130020
524411420033
62513511000
7501420150
oct156533410
960531360
1029013768
1115417523
129872460
13601b114
143bd3760
152831a13
hex1bab708

29013768 has 128 divisors (see below), whose sum is σ = 95232000. Its totient is φ = 8009280.

The previous prime is 29013731. The next prime is 29013769. The reversal of 29013768 is 86731092.

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 (29013769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46563 + ... + 47181.

It is an arithmetic number, because the mean of its divisors is an integer number (744000).

Almost surely, 229013768 is an apocalyptic number.

29013768 is a gapful number since it is divisible by the number (28) 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 29013768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47616000).

29013768 is an abundant number, since it is smaller than the sum of its proper divisors (66218232).

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

29013768 is a wasteful number, since it uses less digits than its factorization.

29013768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672 (or 662 counting only the distinct ones).

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

The square root of 29013768 is about 5386.4429821544. The cubic root of 29013768 is about 307.2802951729.

The spelling of 29013768 in words is "twenty-nine million, thirteen thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 31 36 42 54 56 62 63 72 84 93 108 124 126 168 186 189 216 217 248 252 279 372 378 434 504 558 619 651 744 756 837 868 1116 1238 1302 1512 1674 1736 1857 1953 2232 2476 2604 3348 3714 3906 4333 4952 5208 5571 5859 6696 7428 7812 8666 11142 11718 12999 14856 15624 16713 17332 19189 22284 23436 25998 33426 34664 38378 38997 44568 46872 51996 57567 66852 76756 77994 103992 115134 116991 133704 134323 153512 155988 172701 230268 233982 268646 311976 345402 402969 460536 467964 518103 537292 690804 805938 935928 1036206 1074584 1208907 1381608 1611876 2072412 2417814 3223752 3626721 4144824 4835628 7253442 9671256 14506884 29013768