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29287007 = 43966713
BaseRepresentation
bin110111110111…
…0001001011111
32001002221012222
41233232021133
524444141012
62523415555
7503635601
oct157561137
961087188
1029287007
1115593842
1299845bb
1360b55b9
143c65171
152887972
hex1bee25f

29287007 has 4 divisors (see below), whose sum is σ = 29354160. Its totient is φ = 29219856.

The previous prime is 29286991. The next prime is 29287009. The reversal of 29287007 is 70078292.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29287007 - 24 = 29286991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29287009) 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 3 ways as a sum of consecutive naturals, for example, 32918 + ... + 33795.

It is an arithmetic number, because the mean of its divisors is an integer number (7338540).

Almost surely, 229287007 is an apocalyptic number.

29287007 is a deficient number, since it is larger than the sum of its proper divisors (67153).

29287007 is an equidigital number, since it uses as much as digits as its factorization.

29287007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67152.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 29287007 is about 5411.7471300865. The cubic root of 29287007 is about 308.2418933785.

The spelling of 29287007 in words is "twenty-nine million, two hundred eighty-seven thousand, seven".

Divisors: 1 439 66713 29287007