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8404928093 = 71911689747
BaseRepresentation
bin1111101001111100…
…10000011001011101
3210200202100120211002
413310332100121131
5114203130144333
63510002440045
7415165465352
oct76476203135
923622316732
108404928093
1136233a9971
121766963025
13a3c3bb843
1459a392629
15342d340e8
hex1f4f9065d

8404928093 has 4 divisors (see below), whose sum is σ = 8416618560. Its totient is φ = 8393237628.

The previous prime is 8404928087. The next prime is 8404928101. The reversal of 8404928093 is 3908294048.

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 a de Polignac number, because none of the positive numbers 2k-8404928093 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 (8404928023) 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 3 ways as a sum of consecutive naturals, for example, 5844155 + ... + 5845592.

It is an arithmetic number, because the mean of its divisors is an integer number (2104154640).

Almost surely, 28404928093 is an apocalyptic number.

It is an amenable number.

8404928093 is a deficient number, since it is larger than the sum of its proper divisors (11690467).

8404928093 is a wasteful number, since it uses less digits than its factorization.

8404928093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11690466.

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 8404928093 is about 91678.3949085061. The cubic root of 8404928093 is about 2033.1901673245.

The spelling of 8404928093 in words is "eight billion, four hundred four million, nine hundred twenty-eight thousand, ninety-three".

Divisors: 1 719 11689747 8404928093