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42333641 = 76047663
BaseRepresentation
bin1010000101111…
…1010111001001
32221122202211122
42201133113021
541314134031
64111205025
71022554460
oct241372711
987582748
1042333641
1121994989
1212216775
138a02abc
14589d9d7
153ab347b
hex285f5c9

42333641 has 4 divisors (see below), whose sum is σ = 48381312. Its totient is φ = 36285972.

The previous prime is 42333623. The next prime is 42333713. The reversal of 42333641 is 14633324.

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 42333641 - 210 = 42332617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42333641.

It is not an unprimeable number, because it can be changed into a prime (42333341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3023825 + ... + 3023838.

It is an arithmetic number, because the mean of its divisors is an integer number (12095328).

Almost surely, 242333641 is an apocalyptic number.

It is an amenable number.

42333641 is a deficient number, since it is larger than the sum of its proper divisors (6047671).

42333641 is an equidigital number, since it uses as much as digits as its factorization.

42333641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6047670.

The product of its digits is 5184, while the sum is 26.

The square root of 42333641 is about 6506.4307419660. The cubic root of 42333641 is about 348.5206704783.

Adding to 42333641 its reverse (14633324), we get a palindrome (56966965).

The spelling of 42333641 in words is "forty-two million, three hundred thirty-three thousand, six hundred forty-one".

Divisors: 1 7 6047663 42333641