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29065216 = 215887
BaseRepresentation
bin110111011100…
…0000000000000
32000200122222111
41232320000000
524420041331
62514545104
7502023145
oct156700000
960618874
1029065216
1115452144
129898194
13603866b
143c083cc
152841db1
hex1bb8000

29065216 has 32 divisors (see below), whose sum is σ = 58195080. Its totient is φ = 14516224.

The previous prime is 29065171. The next prime is 29065237. The reversal of 29065216 is 61256092.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×290652162 = 1689573562253312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32325 + ... + 33211.

Almost surely, 229065216 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 29065216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29097540).

29065216 is an abundant number, since it is smaller than the sum of its proper divisors (29129864).

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

29065216 is an frugal number, since it uses more digits than its factorization.

29065216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 29065216 is about 5391.2165602951. The cubic root of 29065216 is about 307.4618138406.

The spelling of 29065216 in words is "twenty-nine million, sixty-five thousand, two hundred sixteen".

Divisors: 1 2 4 8 16 32 64 128 256 512 887 1024 1774 2048 3548 4096 7096 8192 14192 16384 28384 32768 56768 113536 227072 454144 908288 1816576 3633152 7266304 14532608 29065216