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29282688 = 273337229
BaseRepresentation
bin110111110110…
…1000110000000
32001002201022000
41233231012000
524444021223
62523344000
7503620161
oct157550600
961081260
1029282688
1115590576
129982000
1360b3646
143c63768
152886543
hex1bed180

29282688 has 128 divisors (see below), whose sum is σ = 89148000. Its totient is φ = 9455616.

The previous prime is 29282647. The next prime is 29282689. The reversal of 29282688 is 88628292.

It is a tau number, because it is divible by the number of its divisors (128).

It is a nude number because it is divisible by every one of its digits.

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 (29282689) 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, 127758 + ... + 127986.

Almost surely, 229282688 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 29282688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44574000).

29282688 is an abundant number, since it is smaller than the sum of its proper divisors (59865312).

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

29282688 is a wasteful number, since it uses less digits than its factorization.

29282688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 271 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 29282688 is about 5411.3480760343. The cubic root of 29282688 is about 308.2267403315.

The spelling of 29282688 in words is "twenty-nine million, two hundred eighty-two thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 37 48 54 64 72 74 96 108 111 128 144 148 192 216 222 229 288 296 333 384 432 444 458 576 592 666 687 864 888 916 999 1152 1184 1332 1374 1728 1776 1832 1998 2061 2368 2664 2748 3456 3552 3664 3996 4122 4736 5328 5496 6183 7104 7328 7992 8244 8473 10656 10992 12366 14208 14656 15984 16488 16946 21312 21984 24732 25419 29312 31968 32976 33892 42624 43968 49464 50838 63936 65952 67784 76257 87936 98928 101676 127872 131904 135568 152514 197856 203352 228771 263808 271136 305028 395712 406704 457542 542272 610056 791424 813408 915084 1084544 1220112 1626816 1830168 2440224 3253632 3660336 4880448 7320672 9760896 14641344 29282688