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42119311 = 133239947
BaseRepresentation
bin1010000010101…
…1000010001111
32221020212211111
42200223002033
541240304221
64102432451
71021002553
oct240530217
987225744
1042119311
1121858953
1212132727
138959390
145845863
153a6ebe1
hex282b08f

42119311 has 4 divisors (see below), whose sum is σ = 45359272. Its totient is φ = 38879352.

The previous prime is 42119309. The next prime is 42119327. The reversal of 42119311 is 11391124.

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

It is a cyclic number.

It is not a de Polignac number, because 42119311 - 21 = 42119309 is a prime.

It is a super-2 number, since 2×421193112 = 3548072718229442, 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 (42119351) 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, 1619961 + ... + 1619986.

It is an arithmetic number, because the mean of its divisors is an integer number (11339818).

Almost surely, 242119311 is an apocalyptic number.

42119311 is a deficient number, since it is larger than the sum of its proper divisors (3239961).

42119311 is a wasteful number, since it uses less digits than its factorization.

42119311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239960.

The product of its digits is 216, while the sum is 22.

The square root of 42119311 is about 6489.9392138910. The cubic root of 42119311 is about 347.9315026809.

The spelling of 42119311 in words is "forty-two million, one hundred nineteen thousand, three hundred eleven".

Divisors: 1 13 3239947 42119311