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42746541 = 314248847
BaseRepresentation
bin1010001100010…
…0001010101101
32222102202020020
42203010022231
541420342131
64124112353
71026224325
oct243041255
988382206
1042746541
1122147122
12123956b9
138b18a16
14596a285
153b45996
hex28c42ad

42746541 has 4 divisors (see below), whose sum is σ = 56995392. Its totient is φ = 28497692.

The previous prime is 42746519. The next prime is 42746569. The reversal of 42746541 is 14564724.

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 a cyclic number.

It is not a de Polignac number, because 42746541 - 210 = 42745517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42746141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7124421 + ... + 7124426.

It is an arithmetic number, because the mean of its divisors is an integer number (14248848).

Almost surely, 242746541 is an apocalyptic number.

It is an amenable number.

42746541 is a deficient number, since it is larger than the sum of its proper divisors (14248851).

42746541 is a wasteful number, since it uses less digits than its factorization.

42746541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14248850.

The product of its digits is 26880, while the sum is 33.

The square root of 42746541 is about 6538.0838936190. The cubic root of 42746541 is about 349.6501020213.

The spelling of 42746541 in words is "forty-two million, seven hundred forty-six thousand, five hundred forty-one".

Divisors: 1 3 14248847 42746541