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29331968 = 2959971
BaseRepresentation
bin110111111100…
…1001000000000
32001012012220012
41233321020000
530002110333
62524404052
7504213641
oct157711000
961165805
1029331968
11156145a6
1299a6628
1360ccbc3
143c776c8
152895e48
hex1bf9200

29331968 has 40 divisors (see below), whose sum is σ = 59661360. Its totient is φ = 14402560.

The previous prime is 29331961. The next prime is 29331979. The reversal of 29331968 is 86913392.

It is not an unprimeable number, because it can be changed into a prime (29331961) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 29723 + ... + 30693.

It is an arithmetic number, because the mean of its divisors is an integer number (1491534).

Almost surely, 229331968 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 29331968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29830680).

29331968 is an abundant number, since it is smaller than the sum of its proper divisors (30329392).

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

29331968 is an frugal number, since it uses more digits than its factorization.

29331968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048 (or 1032 counting only the distinct ones).

The product of its digits is 69984, while the sum is 41.

The square root of 29331968 is about 5415.8995559371. The cubic root of 29331968 is about 308.3995489313.

The spelling of 29331968 in words is "twenty-nine million, three hundred thirty-one thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 32 59 64 118 128 236 256 472 512 944 971 1888 1942 3776 3884 7552 7768 15104 15536 30208 31072 57289 62144 114578 124288 229156 248576 458312 497152 916624 1833248 3666496 7332992 14665984 29331968