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42364613 = 53817873
BaseRepresentation
bin1010000110011…
…0111011000101
32221201100022202
42201212323011
541321131423
64112004245
71023043664
oct241467305
987640282
1042364613
1121a06185
1212230685
138a13c25
1458aaddb
153abc728
hex2866ec5

42364613 has 4 divisors (see below), whose sum is σ = 42377868. Its totient is φ = 42351360.

The previous prime is 42364591. The next prime is 42364627. The reversal of 42364613 is 31646324.

42364613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 6160324 + 36204289 = 2482^2 + 6017^2 .

It is a cyclic number.

It is not a de Polignac number, because 42364613 - 26 = 42364549 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 (42364633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1445 + ... + 9317.

It is an arithmetic number, because the mean of its divisors is an integer number (10594467).

Almost surely, 242364613 is an apocalyptic number.

It is an amenable number.

42364613 is a deficient number, since it is larger than the sum of its proper divisors (13255).

42364613 is an equidigital number, since it uses as much as digits as its factorization.

42364613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13254.

The product of its digits is 10368, while the sum is 29.

The square root of 42364613 is about 6508.8104135856. The cubic root of 42364613 is about 348.6056442766.

The spelling of 42364613 in words is "forty-two million, three hundred sixty-four thousand, six hundred thirteen".

Divisors: 1 5381 7873 42364613