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424042141 = 3011140831
BaseRepresentation
bin11001010001100…
…101111010011101
31002112220120110111
4121101211322131
51332023322031
6110024410021
713336204315
oct3121457235
91075816414
10424042141
111a83a7156
12ba016911
1369b0b813
1440462445
15273621b1
hex19465e9d

424042141 has 4 divisors (see below), whose sum is σ = 424185984. Its totient is φ = 423898300.

The previous prime is 424042139. The next prime is 424042183. The reversal of 424042141 is 141240424.

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 424042141 - 21 = 424042139 is a prime.

It is a Smith number, since the sum of its digits (22) 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (424042111) 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, 67405 + ... + 73426.

It is an arithmetic number, because the mean of its divisors is an integer number (106046496).

Almost surely, 2424042141 is an apocalyptic number.

It is an amenable number.

424042141 is a deficient number, since it is larger than the sum of its proper divisors (143843).

424042141 is a wasteful number, since it uses less digits than its factorization.

424042141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143842.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 424042141 is about 20592.2835304878. The cubic root of 424042141 is about 751.2820389565.

Adding to 424042141 its reverse (141240424), we get a palindrome (565282565).

The spelling of 424042141 in words is "four hundred twenty-four million, forty-two thousand, one hundred forty-one".

Divisors: 1 3011 140831 424042141