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42733541 = 209920359
BaseRepresentation
bin1010001100000…
…0111111100101
32222102002101202
42203000333211
541414433131
64123532245
71026141404
oct243007745
988362352
1042733541
1122138384
121238a085
138b12b26
14596563b
153b41bcb
hex28c0fe5

42733541 has 4 divisors (see below), whose sum is σ = 42756000. Its totient is φ = 42711084.

The previous prime is 42733507. The next prime is 42733573. The reversal of 42733541 is 14533724.

It is a happy number.

42733541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42733541 - 210 = 42732517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42733591) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8081 + ... + 12278.

It is an arithmetic number, because the mean of its divisors is an integer number (10689000).

Almost surely, 242733541 is an apocalyptic number.

It is an amenable number.

42733541 is a deficient number, since it is larger than the sum of its proper divisors (22459).

42733541 is a wasteful number, since it uses less digits than its factorization.

42733541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22458.

The product of its digits is 10080, while the sum is 29.

The square root of 42733541 is about 6537.0896429527. The cubic root of 42733541 is about 349.6146534440.

The spelling of 42733541 in words is "forty-two million, seven hundred thirty-three thousand, five hundred forty-one".

Divisors: 1 2099 20359 42733541