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42331589 = 371637019
BaseRepresentation
bin1010000101111…
…0110111000101
32221122200000122
42201132313011
541314102324
64111151325
71022545466
oct241366705
987580018
1042331589
1121993393
1212215545
138a01ba1
14589cd6d
153ab2a5e
hex285edc5

42331589 has 8 divisors (see below), whose sum is σ = 43748640. Its totient is φ = 40928976.

The previous prime is 42331579. The next prime is 42331591. The reversal of 42331589 is 98513324.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42331589 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 (42331519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2522 + ... + 9540.

It is an arithmetic number, because the mean of its divisors is an integer number (5468580).

Almost surely, 242331589 is an apocalyptic number.

It is an amenable number.

42331589 is a deficient number, since it is larger than the sum of its proper divisors (1417051).

42331589 is a wasteful number, since it uses less digits than its factorization.

42331589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7219.

The product of its digits is 25920, while the sum is 35.

The square root of 42331589 is about 6506.2730499111. The cubic root of 42331589 is about 348.5150392123.

The spelling of 42331589 in words is "forty-two million, three hundred thirty-one thousand, five hundred eighty-nine".

Divisors: 1 37 163 6031 7019 259703 1144097 42331589