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42303303 = 34774609
BaseRepresentation
bin1010000101011…
…1111101000111
32221121020020000
42201113331013
541312201203
64110412343
71022400150
oct241277507
987536200
1042303303
1121974109
12122010b3
1389c2053
145892927
153aa94a3
hex2857f47

42303303 has 20 divisors (see below), whose sum is σ = 72222480. Its totient is φ = 24172992.

The previous prime is 42303301. The next prime is 42303307. The reversal of 42303303 is 30330324.

It is not a de Polignac number, because 42303303 - 21 = 42303301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42303301) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 36738 + ... + 37871.

It is an arithmetic number, because the mean of its divisors is an integer number (3611124).

Almost surely, 242303303 is an apocalyptic number.

42303303 is a deficient number, since it is larger than the sum of its proper divisors (29919177).

42303303 is an equidigital number, since it uses as much as digits as its factorization.

42303303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74628 (or 74619 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

The square root of 42303303 is about 6504.0989383619. The cubic root of 42303303 is about 348.4373959111.

Adding to 42303303 its reverse (30330324), we get a palindrome (72633627).

The spelling of 42303303 in words is "forty-two million, three hundred three thousand, three hundred three".

Divisors: 1 3 7 9 21 27 63 81 189 567 74609 223827 522263 671481 1566789 2014443 4700367 6043329 14101101 42303303