Search a number
-
+
29302728 = 23371313417
BaseRepresentation
bin110111111000…
…1111111001000
32001010201210020
41233301333020
530000141403
62524020440
7504032460
oct157617710
961121706
1029302728
11155a4634
129991720
1360bc7c0
143c6aba0
15288c453
hex1bf1fc8

29302728 has 64 divisors (see below), whose sum is σ = 90168960. Its totient is φ = 7727616.

The previous prime is 29302727. The next prime is 29302733. The reversal of 29302728 is 82720392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29302723) 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, 4525 + ... + 8892.

It is an arithmetic number, because the mean of its divisors is an integer number (1408890).

Almost surely, 229302728 is an apocalyptic number.

29302728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

29302728 is an abundant number, since it is smaller than the sum of its proper divisors (60866232).

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

29302728 is a wasteful number, since it uses less digits than its factorization.

29302728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13446 (or 13442 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 29302728 is about 5413.1994236311. The cubic root of 29302728 is about 308.2970373313.

The spelling of 29302728 in words is "twenty-nine million, three hundred two thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 12 13 14 21 24 26 28 39 42 52 56 78 84 91 104 156 168 182 273 312 364 546 728 1092 2184 13417 26834 40251 53668 80502 93919 107336 161004 174421 187838 281757 322008 348842 375676 523263 563514 697684 751352 1046526 1127028 1220947 1395368 2093052 2254056 2441894 3662841 4186104 4883788 7325682 9767576 14651364 29302728