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147320423 = 573725679
BaseRepresentation
bin10001100011111…
…10111001100111
3101021012122121222
420301332321213
5300203223143
622341330555
73436126415
oct1061767147
9337178558
10147320423
1176182018
1241406a5b
13246a1363
14157cc2b5
15ce00768
hex8c7ee67

147320423 has 4 divisors (see below), whose sum is σ = 147351840. Its totient is φ = 147289008.

The previous prime is 147320417. The next prime is 147320431. The reversal of 147320423 is 324023741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324023741 = 601539141.

It is a cyclic number.

It is not a de Polignac number, because 147320423 - 214 = 147304039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 147320392 and 147320401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147326423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7103 + ... + 18576.

It is an arithmetic number, because the mean of its divisors is an integer number (36837960).

Almost surely, 2147320423 is an apocalyptic number.

147320423 is a deficient number, since it is larger than the sum of its proper divisors (31417).

147320423 is an equidigital number, since it uses as much as digits as its factorization.

147320423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31416.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 147320423 is about 12137.5624818165. The cubic root of 147320423 is about 528.1463941615.

The spelling of 147320423 in words is "one hundred forty-seven million, three hundred twenty thousand, four hundred twenty-three".

Divisors: 1 5737 25679 147320423