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8129341 = 11739031
BaseRepresentation
bin11111000000101100111101
3120022000100201
4133000230331
54040114331
6450123501
7126045463
oct37005475
916260321
108129341
114652770
122880591
1318b827c
141118833
15aa8a61
hex7c0b3d

8129341 has 4 divisors (see below), whose sum is σ = 8868384. Its totient is φ = 7390300.

The previous prime is 8129339. The next prime is 8129351. The reversal of 8129341 is 1439218.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8129341 - 21 = 8129339 is a prime.

It is a Duffinian number.

It is a zygodrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8129351) 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 3 ways as a sum of consecutive naturals, for example, 369505 + ... + 369526.

It is an arithmetic number, because the mean of its divisors is an integer number (2217096).

Almost surely, 28129341 is an apocalyptic number.

It is an amenable number.

8129341 is a deficient number, since it is larger than the sum of its proper divisors (739043).

8129341 is a wasteful number, since it uses less digits than its factorization.

8129341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739042.

The product of its digits is 1728, while the sum is 28.

The square root of 8129341 is about 2851.1999228395. The cubic root of 8129341 is about 201.0720845716.

It can be divided in two parts, 812 and 9341, that added together give a triangular number (10153 = T142).

The spelling of 8129341 in words is "eight million, one hundred twenty-nine thousand, three hundred forty-one".

Divisors: 1 11 739031 8129341