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42044341 = 137306893
BaseRepresentation
bin1010000001100…
…0101110110101
32221010001222211
42200120232311
541230404331
64101053421
71020241153
oct240305665
987101884
1042044341
1121807599
12120b7271
138931211
1458263d3
153a578b1
hex2818bb5

42044341 has 4 divisors (see below), whose sum is σ = 42351372. Its totient is φ = 41737312.

The previous prime is 42044333. The next prime is 42044357. The reversal of 42044341 is 14344024.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15563025 + 26481316 = 3945^2 + 5146^2 .

It is a cyclic number.

It is not a de Polignac number, because 42044341 - 23 = 42044333 is a prime.

It is a super-2 number, since 2×420443412 = 3535453220248562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42044371) 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, 153310 + ... + 153583.

It is an arithmetic number, because the mean of its divisors is an integer number (10587843).

Almost surely, 242044341 is an apocalyptic number.

It is an amenable number.

42044341 is a deficient number, since it is larger than the sum of its proper divisors (307031).

42044341 is a wasteful number, since it uses less digits than its factorization.

42044341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307030.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 42044341 is about 6484.1607783891. The cubic root of 42044341 is about 347.7249472575.

Adding to 42044341 its reverse (14344024), we get a palindrome (56388365).

The spelling of 42044341 in words is "forty-two million, forty-four thousand, three hundred forty-one".

Divisors: 1 137 306893 42044341