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8436091349 = 73138875997
BaseRepresentation
bin1111101101101010…
…01000100111010101
3210202220222211202202
413312311020213111
5114234114410344
63513034414245
7416024410340
oct76665104725
923686884682
108436091349
113639a54324
121775291385
13a459b013a
145a0585457
1534593c94e
hex1f6d489d5

8436091349 has 8 divisors (see below), whose sum is σ = 9952255488. Its totient is φ = 6997679280.

The previous prime is 8436091343. The next prime is 8436091397. The reversal of 8436091349 is 9431906348.

It is a happy number.

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 8436091349 - 228 = 8167655893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8436091343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19437782 + ... + 19438215.

It is an arithmetic number, because the mean of its divisors is an integer number (1244031936).

Almost surely, 28436091349 is an apocalyptic number.

It is an amenable number.

8436091349 is a deficient number, since it is larger than the sum of its proper divisors (1516164139).

8436091349 is a wasteful number, since it uses less digits than its factorization.

8436091349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38876035.

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 8436091349 is about 91848.1973094736. The cubic root of 8436091349 is about 2035.6999123010.

The spelling of 8436091349 in words is "eight billion, four hundred thirty-six million, ninety-one thousand, three hundred forty-nine".

Divisors: 1 7 31 217 38875997 272131979 1205155907 8436091349