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814653379 = 1747920787
BaseRepresentation
bin110000100011101…
…001111111000011
32002202220200100101
4300203221333003
53132022402004
6212500503231
726121303511
oct6043517703
92082820311
10814653379
1138893a161
121a89aab17
13cca13827
147a2a14b1
154b7bdba4
hex308e9fc3

814653379 has 4 divisors (see below), whose sum is σ = 862574184. Its totient is φ = 766732576.

The previous prime is 814653377. The next prime is 814653403. The reversal of 814653379 is 973356418.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 973356418 = 2486678209.

It is a cyclic number.

It is not a de Polignac number, because 814653379 - 21 = 814653377 is a prime.

It is a super-2 number, since 2×8146533792 = 1327320255832235282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (814653373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23960377 + ... + 23960410.

It is an arithmetic number, because the mean of its divisors is an integer number (215643546).

Almost surely, 2814653379 is an apocalyptic number.

814653379 is a deficient number, since it is larger than the sum of its proper divisors (47920805).

814653379 is a wasteful number, since it uses less digits than its factorization.

814653379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47920804.

The product of its digits is 544320, while the sum is 46.

The square root of 814653379 is about 28542.1333995902. The cubic root of 814653379 is about 933.9514221212.

The spelling of 814653379 in words is "eight hundred fourteen million, six hundred fifty-three thousand, three hundred seventy-nine".

Divisors: 1 17 47920787 814653379