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41780533 = 252116573
BaseRepresentation
bin1001111101100…
…0010100110101
32220121200010011
42133120110311
541143434113
64051300221
71015062064
oct237302465
986550104
1041780533
1121647373
1211baa671
13886b112
1457981db
153a0463d
hex27d8535

41780533 has 4 divisors (see below), whose sum is σ = 41799628. Its totient is φ = 41761440.

The previous prime is 41780527. The next prime is 41780549. The reversal of 41780533 is 33508714.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33508714 = 216754357.

It can be written as a sum of positive squares in 2 ways, for example, as 9597604 + 32182929 = 3098^2 + 5673^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-41780533 is a prime.

It is a super-2 number, since 2×417805332 = 3491225875528178, 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 = 41780495 and 41780504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41780573) 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, 5766 + ... + 10807.

It is an arithmetic number, because the mean of its divisors is an integer number (10449907).

Almost surely, 241780533 is an apocalyptic number.

It is an amenable number.

41780533 is a deficient number, since it is larger than the sum of its proper divisors (19095).

41780533 is a wasteful number, since it uses less digits than its factorization.

41780533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19094.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 41780533 is about 6463.7862743132. The cubic root of 41780533 is about 346.9961519615.

The spelling of 41780533 in words is "forty-one million, seven hundred eighty thousand, five hundred thirty-three".

Divisors: 1 2521 16573 41780533