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8091429 = 34496007
BaseRepresentation
bin11110110111011100100101
3120020002100120
4132313130211
54032411204
6445232153
7125530113
oct36673445
916202316
108091429
114627235
122862659
1318a3c38
141108ab3
15a9c6d9
hex7b7725

8091429 has 8 divisors (see below), whose sum is σ = 10814400. Its totient is φ = 5381376.

The previous prime is 8091427. The next prime is 8091431. The reversal of 8091429 is 9241908.

It is an interprime number because it is at equal distance from previous prime (8091427) and next prime (8091431).

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

It is not a de Polignac number, because 8091429 - 21 = 8091427 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 8091429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8091427) 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, 1657 + ... + 4350.

It is an arithmetic number, because the mean of its divisors is an integer number (1351800).

Almost surely, 28091429 is an apocalyptic number.

It is an amenable number.

8091429 is a deficient number, since it is larger than the sum of its proper divisors (2722971).

8091429 is a wasteful number, since it uses less digits than its factorization.

8091429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6459.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 8091429 is about 2844.5437243959. The cubic root of 8091429 is about 200.7590241013.

The spelling of 8091429 in words is "eight million, ninety-one thousand, four hundred twenty-nine".

Divisors: 1 3 449 1347 6007 18021 2697143 8091429