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29561028 = 223717127163
BaseRepresentation
bin111000011000…
…1000011000100
32001121212002220
41300301003010
530031423103
62533332340
7506156520
oct160610304
961555086
1029561028
1115760702
129a970b0
136180243
143cd6d80
1528ddc53
hex1c310c4

29561028 has 96 divisors (see below), whose sum is σ = 84639744. Its totient is φ = 7838208.

The previous prime is 29561009. The next prime is 29561047. The reversal of 29561028 is 82016592.

It is an interprime number because it is at equal distance from previous prime (29561009) and next prime (29561047).

It is a self number, because there is not a number n which added to its sum of digits gives 29561028.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181275 + ... + 181437.

It is an arithmetic number, because the mean of its divisors is an integer number (881664).

Almost surely, 229561028 is an apocalyptic number.

29561028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29561028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42319872).

29561028 is an abundant number, since it is smaller than the sum of its proper divisors (55078716).

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

29561028 is a wasteful number, since it uses less digits than its factorization.

29561028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 29561028 is about 5437.0054257836. The cubic root of 29561028 is about 309.2002556080.

The spelling of 29561028 in words is "twenty-nine million, five hundred sixty-one thousand, twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 17 21 28 34 42 51 68 84 102 119 127 163 204 238 254 326 357 381 476 489 508 652 714 762 889 978 1141 1428 1524 1778 1956 2159 2282 2667 2771 3423 3556 4318 4564 5334 5542 6477 6846 8313 8636 10668 11084 12954 13692 15113 16626 19397 20701 25908 30226 33252 38794 41402 45339 58191 60452 62103 77588 82804 90678 116382 124206 144907 181356 232764 248412 289814 351917 434721 579628 703834 869442 1055751 1407668 1738884 2111502 2463419 4223004 4926838 7390257 9853676 14780514 29561028