Search a number
-
+
42577033 = 357111923
BaseRepresentation
bin1010001001101…
…0110010001001
32222010010201011
42202122302021
541344431113
64120323521
71024620202
oct242326211
988103634
1042577033
1122040834
12123135a1
138a89815
1459245a9
153b1063d
hex289ac89

42577033 has 4 divisors (see below), whose sum is σ = 42592528. Its totient is φ = 42561540.

The previous prime is 42577021. The next prime is 42577037. The reversal of 42577033 is 33077524.

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 42577033 - 25 = 42577001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42576986 and 42577004.

It is not an unprimeable number, because it can be changed into a prime (42577037) 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, 2391 + ... + 9532.

It is an arithmetic number, because the mean of its divisors is an integer number (10648132).

Almost surely, 242577033 is an apocalyptic number.

It is an amenable number.

42577033 is a deficient number, since it is larger than the sum of its proper divisors (15495).

42577033 is a wasteful number, since it uses less digits than its factorization.

42577033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15494.

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 42577033 is about 6525.1078918283. The cubic root of 42577033 is about 349.1873199057.

The spelling of 42577033 in words is "forty-two million, five hundred seventy-seven thousand, thirty-three".

Divisors: 1 3571 11923 42577033