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42333001 = 151280351
BaseRepresentation
bin1010000101111…
…1001101001001
32221122201221221
42201133031021
541314124001
64111202041
71022552554
oct241371511
987581857
1042333001
1121994457
1212216321
138a02719
14589d69b
153ab31a1
hex285f349

42333001 has 4 divisors (see below), whose sum is σ = 42613504. Its totient is φ = 42052500.

The previous prime is 42332999. The next prime is 42333013. The reversal of 42333001 is 10033324.

42333001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42333001 - 21 = 42332999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42333091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140025 + ... + 140326.

It is an arithmetic number, because the mean of its divisors is an integer number (10653376).

Almost surely, 242333001 is an apocalyptic number.

It is an amenable number.

42333001 is a deficient number, since it is larger than the sum of its proper divisors (280503).

42333001 is a wasteful number, since it uses less digits than its factorization.

42333001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280502.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 42333001 is about 6506.3815596689. The cubic root of 42333001 is about 348.5189141575.

Adding to 42333001 its reverse (10033324), we get a palindrome (52366325).

The spelling of 42333001 in words is "forty-two million, three hundred thirty-three thousand, one".

Divisors: 1 151 280351 42333001