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42467149 = 127334387
BaseRepresentation
bin1010000111111…
…1111101001101
32221220112222101
42201333331031
541332422044
64114115101
71023651634
oct241777515
987815871
1042467149
1121a7621a
121227ba91
138a4b7ba
1458d651b
153adccd4
hex287ff4d

42467149 has 4 divisors (see below), whose sum is σ = 42801664. Its totient is φ = 42132636.

The previous prime is 42467143. The next prime is 42467153. The reversal of 42467149 is 94176424.

It is a happy number.

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 42467149 - 213 = 42458957 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 (42467143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167067 + ... + 167320.

It is an arithmetic number, because the mean of its divisors is an integer number (10700416).

Almost surely, 242467149 is an apocalyptic number.

It is an amenable number.

42467149 is a deficient number, since it is larger than the sum of its proper divisors (334515).

42467149 is a wasteful number, since it uses less digits than its factorization.

42467149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334514.

The product of its digits is 48384, while the sum is 37.

The square root of 42467149 is about 6516.6823614474. The cubic root of 42467149 is about 348.8866636360.

The spelling of 42467149 in words is "forty-two million, four hundred sixty-seven thousand, one hundred forty-nine".

Divisors: 1 127 334387 42467149