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29280297 = 317095711
BaseRepresentation
bin110111110110…
…0100000101001
32001002121000110
41233230200221
524443432142
62523324533
7503610204
oct157544051
961077013
1029280297
11155897a2
129980749
1360b2527
143c6293b
15288599c
hex1bec829

29280297 has 8 divisors (see below), whose sum is σ = 39070080. Its totient is φ = 19505360.

The previous prime is 29280271. The next prime is 29280299. The reversal of 29280297 is 79208292.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29280297 - 26 = 29280233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29280299) 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, 2272 + ... + 7982.

It is an arithmetic number, because the mean of its divisors is an integer number (4883760).

Almost surely, 229280297 is an apocalyptic number.

It is an amenable number.

29280297 is a deficient number, since it is larger than the sum of its proper divisors (9789783).

29280297 is a wasteful number, since it uses less digits than its factorization.

29280297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7423.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 29280297 is about 5411.1271469076. The cubic root of 29280297 is about 308.2183509583.

The spelling of 29280297 in words is "twenty-nine million, two hundred eighty thousand, two hundred ninety-seven".

Divisors: 1 3 1709 5127 5711 17133 9760099 29280297