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29293968 = 24311109509
BaseRepresentation
bin110111110111…
…1110110010000
32001010021202210
41233233312100
524444401333
62523512120
7503665104
oct157576620
961107683
1029293968
1115598aa0
129988640
1360b8812
143c67904
152889a63
hex1befd90

29293968 has 80 divisors (see below), whose sum is σ = 83476800. Its totient is φ = 8778240.

The previous prime is 29293963. The next prime is 29293981. The reversal of 29293968 is 86939292.

It is a super-2 number, since 2×292939682 = 1716273122370048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29293963) 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, 57298 + ... + 57806.

It is an arithmetic number, because the mean of its divisors is an integer number (1043460).

Almost surely, 229293968 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 29293968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41738400).

29293968 is an abundant number, since it is smaller than the sum of its proper divisors (54182832).

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

29293968 is a wasteful number, since it uses less digits than its factorization.

29293968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640 (or 634 counting only the distinct ones).

The product of its digits is 419904, while the sum is 48.

The square root of 29293968 is about 5412.3902298338. The cubic root of 29293968 is about 308.2663126468.

The spelling of 29293968 in words is "twenty-nine million, two hundred ninety-three thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 109 132 176 218 264 327 436 509 528 654 872 1018 1199 1308 1527 1744 2036 2398 2616 3054 3597 4072 4796 5232 5599 6108 7194 8144 9592 11198 12216 14388 16797 19184 22396 24432 28776 33594 44792 55481 57552 67188 89584 110962 134376 166443 221924 268752 332886 443848 610291 665772 887696 1220582 1331544 1830873 2441164 2663088 3661746 4882328 7323492 9764656 14646984 29293968