Search a number
-
+
42333787 is a prime number
BaseRepresentation
bin1010000101111…
…1011001011011
32221122210001001
42201133121123
541314140122
64111205431
71022555056
oct241373133
987583031
1042333787
1121995001
1212216877
138a02ba2
14589da9d
153ab3527
hex285f65b

42333787 has 2 divisors, whose sum is σ = 42333788. Its totient is φ = 42333786.

The previous prime is 42333763. The next prime is 42333833. The reversal of 42333787 is 78733324.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42333787 is a prime.

It is a super-2 number, since 2×423337872 = 3584299043522738, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42333727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21166893 + 21166894.

It is an arithmetic number, because the mean of its divisors is an integer number (21166894).

Almost surely, 242333787 is an apocalyptic number.

42333787 is a deficient number, since it is larger than the sum of its proper divisors (1).

42333787 is an equidigital number, since it uses as much as digits as its factorization.

42333787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 37.

The square root of 42333787 is about 6506.4419616254. The cubic root of 42333787 is about 348.5210711365.

The spelling of 42333787 in words is "forty-two million, three hundred thirty-three thousand, seven hundred eighty-seven".