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29885568 = 273223349
BaseRepresentation
bin111001000000…
…0010010000000
32002020100021220
41302000102000
530122314233
62544315040
7512010636
oct162002200
962210256
1029885568
1115962519
12a012a80
136264b8b
143d7d356
152954eb3
hex1c80480

29885568 has 64 divisors (see below), whose sum is σ = 79968000. Its totient is φ = 9888768.

The previous prime is 29885567. The next prime is 29885617. The reversal of 29885568 is 86558892.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 29885568.

It is not an unprimeable number, because it can be changed into a prime (29885567) 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, 85458 + ... + 85806.

It is an arithmetic number, because the mean of its divisors is an integer number (1249500).

Almost surely, 229885568 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 29885568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39984000).

29885568 is an abundant number, since it is smaller than the sum of its proper divisors (50082432).

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

29885568 is a wasteful number, since it uses less digits than its factorization.

29885568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589 (or 577 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 51.

The square root of 29885568 is about 5466.7694299284. The cubic root of 29885568 is about 310.3276729488.

The spelling of 29885568 in words is "twenty-nine million, eight hundred eighty-five thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 223 349 384 446 669 698 892 1047 1338 1396 1784 2094 2676 2792 3568 4188 5352 5584 7136 8376 10704 11168 14272 16752 21408 22336 28544 33504 42816 44672 67008 77827 85632 134016 155654 233481 311308 466962 622616 933924 1245232 1867848 2490464 3735696 4980928 7471392 9961856 14942784 29885568