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42112151 = 1910612089
BaseRepresentation
bin1010000010100…
…1010010010111
32221020112000022
42200221102113
541240042101
64102335355
71020642644
oct240512227
987215008
1042112151
1121853534
121212a55b
138956043
145842dcb
153a6ca1b
hex2829497

42112151 has 8 divisors (see below), whose sum is σ = 44391600. Its totient is φ = 39839040.

The previous prime is 42112139. The next prime is 42112153. The reversal of 42112151 is 15121124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42112151 - 218 = 41850007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42112153) 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 7 ways as a sum of consecutive naturals, for example, 19115 + ... + 21203.

It is an arithmetic number, because the mean of its divisors is an integer number (5548950).

Almost surely, 242112151 is an apocalyptic number.

42112151 is a deficient number, since it is larger than the sum of its proper divisors (2279449).

42112151 is a wasteful number, since it uses less digits than its factorization.

42112151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3169.

The product of its digits is 80, while the sum is 17.

The square root of 42112151 is about 6489.3875674057. The cubic root of 42112151 is about 347.9117862240.

Adding to 42112151 its reverse (15121124), we get a palindrome (57233275).

The spelling of 42112151 in words is "forty-two million, one hundred twelve thousand, one hundred fifty-one".

Divisors: 1 19 1061 2089 20159 39691 2216429 42112151