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42560155 = 511773821
BaseRepresentation
bin1010001001011…
…0101010011011
32222002021120001
42202112222123
541343411110
64120113431
71024520041
oct242265233
988067501
1042560155
112202a090
1212305877
138a81c31
14591c391
153b0a63a
hex2896a9b

42560155 has 8 divisors (see below), whose sum is σ = 55715184. Its totient is φ = 30952800.

The previous prime is 42560149. The next prime is 42560183. The reversal of 42560155 is 55106524.

42560155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42560155 - 25 = 42560123 is a prime.

It is a super-2 number, since 2×425601552 = 3622733587248050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 386856 + ... + 386965.

It is an arithmetic number, because the mean of its divisors is an integer number (6964398).

Almost surely, 242560155 is an apocalyptic number.

42560155 is a deficient number, since it is larger than the sum of its proper divisors (13155029).

42560155 is a wasteful number, since it uses less digits than its factorization.

42560155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773837.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 42560155 is about 6523.8144516839. The cubic root of 42560155 is about 349.1411732542.

Adding to 42560155 its reverse (55106524), we get a palindrome (97666679).

The spelling of 42560155 in words is "forty-two million, five hundred sixty thousand, one hundred fifty-five".

Divisors: 1 5 11 55 773821 3869105 8512031 42560155