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29956864 = 28773229
BaseRepresentation
bin111001001000…
…1101100000000
32002100222002111
41302101230000
530132104424
62550025104
7512425540
oct162215400
962328074
1029956864
1115a01043
12a048194
13628b472
143d9b320
15296b194
hex1c91b00

29956864 has 72 divisors (see below), whose sum is σ = 69577760. Its totient is φ = 12607488.

The previous prime is 29956847. The next prime is 29956867. The reversal of 29956864 is 46865992.

It is not an unprimeable number, because it can be changed into a prime (29956867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130702 + ... + 130930.

Almost surely, 229956864 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 29956864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34788880).

29956864 is an abundant number, since it is smaller than the sum of its proper divisors (39620896).

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

29956864 is an equidigital number, since it uses as much as digits as its factorization.

29956864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325 (or 311 counting only the distinct ones).

The product of its digits is 933120, while the sum is 49.

The square root of 29956864 is about 5473.2863984995. The cubic root of 29956864 is about 310.5742529581.

The spelling of 29956864 in words is "twenty-nine million, nine hundred fifty-six thousand, eight hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 73 112 128 146 224 229 256 292 448 458 511 584 896 916 1022 1168 1603 1792 1832 2044 2336 3206 3664 4088 4672 6412 7328 8176 9344 12824 14656 16352 16717 18688 25648 29312 32704 33434 51296 58624 65408 66868 102592 117019 130816 133736 205184 234038 267472 410368 468076 534944 936152 1069888 1872304 2139776 3744608 4279552 7489216 14978432 29956864