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56307423 = 318769141
BaseRepresentation
bin1101011011001…
…0111011011111
310220221201021010
43112302323133
5103403314143
65330510303
71252414404
oct326627337
9126851233
1056307423
1129869667
1216a35393
13b886303
14769a2ab
154e23a33
hex35b2edf

56307423 has 4 divisors (see below), whose sum is σ = 75076568. Its totient is φ = 37538280.

The previous prime is 56307421. The next prime is 56307463. The reversal of 56307423 is 32470365.

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

It is not a de Polignac number, because 56307423 - 21 = 56307421 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 (56307421) 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, 9384568 + ... + 9384573.

It is an arithmetic number, because the mean of its divisors is an integer number (18769142).

Almost surely, 256307423 is an apocalyptic number.

56307423 is a deficient number, since it is larger than the sum of its proper divisors (18769145).

56307423 is a wasteful number, since it uses less digits than its factorization.

56307423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18769144.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 56307423 is about 7503.8272234907. The cubic root of 56307423 is about 383.2850534448.

Adding to 56307423 its reverse (32470365), we get a palindrome (88777788).

The spelling of 56307423 in words is "fifty-six million, three hundred seven thousand, four hundred twenty-three".

Divisors: 1 3 18769141 56307423