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29191097 = 138832543
BaseRepresentation
bin110111101011…
…0101110111001
32000221001122202
41233112232321
524433103342
62521355545
7503056145
oct157265671
960831582
1029191097
1115528781
129938bb5
136080a50
143c3c225
152869332
hex1bd6bb9

29191097 has 8 divisors (see below), whose sum is σ = 31484544. Its totient is φ = 26904528.

The previous prime is 29191079. The next prime is 29191133. The reversal of 29191097 is 79019192.

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 29191097 - 212 = 29187001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29191097.

It is not an unprimeable number, because it can be changed into a prime (29191027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10208 + ... + 12750.

It is an arithmetic number, because the mean of its divisors is an integer number (3935568).

Almost surely, 229191097 is an apocalyptic number.

It is an amenable number.

29191097 is a deficient number, since it is larger than the sum of its proper divisors (2293447).

29191097 is a wasteful number, since it uses less digits than its factorization.

29191097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3439.

The product of its (nonzero) digits is 10206, while the sum is 38.

The square root of 29191097 is about 5402.8785846065. The cubic root of 29191097 is about 307.9050453622.

The spelling of 29191097 in words is "twenty-nine million, one hundred ninety-one thousand, ninety-seven".

Divisors: 1 13 883 2543 11479 33059 2245469 29191097