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42000633 = 331555579
BaseRepresentation
bin1010000000111…
…0000011111001
32221000212001000
42200032003321
541223010013
64100115213
71016666553
oct240160371
987025030
1042000633
1121787774
1212095b09
13891735c
1458144d3
153a49973
hex280e0f9

42000633 has 8 divisors (see below), whose sum is σ = 62223200. Its totient is φ = 28000404.

The previous prime is 42000611. The next prime is 42000649. The reversal of 42000633 is 33600024.

It is not a de Polignac number, because 42000633 - 28 = 42000377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42000653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 777763 + ... + 777816.

It is an arithmetic number, because the mean of its divisors is an integer number (7777900).

Almost surely, 242000633 is an apocalyptic number.

It is an amenable number.

42000633 is a deficient number, since it is larger than the sum of its proper divisors (20222567).

42000633 is a wasteful number, since it uses less digits than its factorization.

42000633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555588 (or 1555582 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 42000633 is about 6480.7895352341. The cubic root of 42000633 is about 347.6044107694.

Adding to 42000633 its reverse (33600024), we get a palindrome (75600657).

The spelling of 42000633 in words is "forty-two million, six hundred thirty-three", and thus it is an aban number.

Divisors: 1 3 9 27 1555579 4666737 14000211 42000633