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320053423 = 1916844917
BaseRepresentation
bin10011000100111…
…010000010101111
3211022020101202111
4103010322002233
51123413202143
651431504451
710634260234
oct2304720257
9738211674
10320053423
11154730968
128b228127
13513cc631
143071378b
151d17099d
hex1313a0af

320053423 has 4 divisors (see below), whose sum is σ = 336898360. Its totient is φ = 303208488.

The previous prime is 320053381. The next prime is 320053453. The reversal of 320053423 is 324350023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-320053423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320053394 and 320053403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320053453) 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, 8422440 + ... + 8422477.

It is an arithmetic number, because the mean of its divisors is an integer number (84224590).

Almost surely, 2320053423 is an apocalyptic number.

320053423 is a deficient number, since it is larger than the sum of its proper divisors (16844937).

320053423 is a wasteful number, since it uses less digits than its factorization.

320053423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16844936.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 320053423 is about 17890.0369759260. The cubic root of 320053423 is about 684.0284399048.

The spelling of 320053423 in words is "three hundred twenty million, fifty-three thousand, four hundred twenty-three".

Divisors: 1 19 16844917 320053423