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29309088 = 2531717959
BaseRepresentation
bin110111111001…
…1100010100000
32001011001111210
41233303202200
530000342323
62524110120
7504060144
oct157634240
961131453
1029309088
11155a9396
129995340
1360c2673
143c6d224
15288e293
hex1bf38a0

29309088 has 48 divisors (see below), whose sum is σ = 81466560. Its totient is φ = 9194496.

The previous prime is 29309081. The next prime is 29309099. The reversal of 29309088 is 88090392.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (29309081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7348 + ... + 10611.

It is an arithmetic number, because the mean of its divisors is an integer number (1697220).

Almost surely, 229309088 is an apocalyptic number.

It is an amenable number.

29309088 is an abundant number, since it is smaller than the sum of its proper divisors (52157472).

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

29309088 is a wasteful number, since it uses less digits than its factorization.

29309088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17989 (or 17981 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 29309088 is about 5413.7868447142. The cubic root of 29309088 is about 308.3193404574.

The spelling of 29309088 in words is "twenty-nine million, three hundred nine thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 48 51 68 96 102 136 204 272 408 544 816 1632 17959 35918 53877 71836 107754 143672 215508 287344 305303 431016 574688 610606 862032 915909 1221212 1724064 1831818 2442424 3663636 4884848 7327272 9769696 14654544 29309088