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29086387 = 116733929
BaseRepresentation
bin110111011110…
…1001010110011
32000201202000121
41232331022303
524421231022
62515231111
7502141651
oct156751263
960652017
1029086387
1115467040
1298a8497
1360451a5
143c11dd1
1528482c7
hex1bbd2b3

29086387 has 8 divisors (see below), whose sum is σ = 31785840. Its totient is φ = 26396160.

The previous prime is 29086381. The next prime is 29086399. The reversal of 29086387 is 78368092.

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 29086387 - 27 = 29086259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29086381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5439 + ... + 9367.

It is an arithmetic number, because the mean of its divisors is an integer number (3973230).

Almost surely, 229086387 is an apocalyptic number.

29086387 is a deficient number, since it is larger than the sum of its proper divisors (2699453).

29086387 is a wasteful number, since it uses less digits than its factorization.

29086387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4613.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 29086387 is about 5393.1796743665. The cubic root of 29086387 is about 307.5364470867.

The spelling of 29086387 in words is "twenty-nine million, eighty-six thousand, three hundred eighty-seven".

Divisors: 1 11 673 3929 7403 43219 2644217 29086387