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42961411 = 251171161
BaseRepresentation
bin1010001111100…
…0101000000011
32222211122222101
42203320220003
541444231121
64132451231
71031110633
oct243705003
988748871
1042961411
11222835a9
1212479b17
138b9276c
1459c46c3
153b89491
hex28f8a03

42961411 has 4 divisors (see below), whose sum is σ = 43132824. Its totient is φ = 42790000.

The previous prime is 42961379. The next prime is 42961417. The reversal of 42961411 is 11416924.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42961411 - 25 = 42961379 is a prime.

It is a super-2 number, since 2×429614112 = 3691365670221842, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42961411.

It is not an unprimeable number, because it can be changed into a prime (42961417) 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, 85330 + ... + 85831.

It is an arithmetic number, because the mean of its divisors is an integer number (10783206).

Almost surely, 242961411 is an apocalyptic number.

42961411 is a deficient number, since it is larger than the sum of its proper divisors (171413).

42961411 is a wasteful number, since it uses less digits than its factorization.

42961411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171412.

The product of its digits is 1728, while the sum is 28.

The square root of 42961411 is about 6554.4954802029. The cubic root of 42961411 is about 350.2349741864.

The spelling of 42961411 in words is "forty-two million, nine hundred sixty-one thousand, four hundred eleven".

Divisors: 1 251 171161 42961411