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42093733 = 113826703
BaseRepresentation
bin1010000010010…
…0110010100101
32221012120202011
42200210302211
541233444413
64102114221
71020535153
oct240446245
987176664
1042093733
1121840710
121211b971
13894a846
14583a3d3
153a6733d
hex2824ca5

42093733 has 4 divisors (see below), whose sum is σ = 45920448. Its totient is φ = 38267020.

The previous prime is 42093719. The next prime is 42093739. The reversal of 42093733 is 33739024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42093733 - 221 = 39996581 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42093695 and 42093704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42093739) 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, 1913341 + ... + 1913362.

It is an arithmetic number, because the mean of its divisors is an integer number (11480112).

Almost surely, 242093733 is an apocalyptic number.

It is an amenable number.

42093733 is a deficient number, since it is larger than the sum of its proper divisors (3826715).

42093733 is a wasteful number, since it uses less digits than its factorization.

42093733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3826714.

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 42093733 is about 6487.9683260633. The cubic root of 42093733 is about 347.8610583975.

The spelling of 42093733 in words is "forty-two million, ninety-three thousand, seven hundred thirty-three".

Divisors: 1 11 3826703 42093733