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42516741 = 314172247
BaseRepresentation
bin1010001000110…
…0000100000101
32222000002000010
42202030010011
541341013431
64115140433
71024246341
oct242140405
988002003
1042516741
1121aaa503
12122a4719
138a68247
14590a621
153aec846
hex288c105

42516741 has 4 divisors (see below), whose sum is σ = 56688992. Its totient is φ = 28344492.

The previous prime is 42516709. The next prime is 42516743. The reversal of 42516741 is 14761524.

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 42516741 - 25 = 42516709 is a prime.

It is a super-2 number, since 2×425167412 = 3615346530522162, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42516699 and 42516708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42516743) 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, 7086121 + ... + 7086126.

It is an arithmetic number, because the mean of its divisors is an integer number (14172248).

Almost surely, 242516741 is an apocalyptic number.

It is an amenable number.

42516741 is a deficient number, since it is larger than the sum of its proper divisors (14172251).

42516741 is a wasteful number, since it uses less digits than its factorization.

42516741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14172250.

The product of its digits is 6720, while the sum is 30.

The square root of 42516741 is about 6520.4862548739. The cubic root of 42516741 is about 349.0224176425.

The spelling of 42516741 in words is "forty-two million, five hundred sixteen thousand, seven hundred forty-one".

Divisors: 1 3 14172247 42516741