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42430323 = 313283689
BaseRepresentation
bin1010000111011…
…0111101110011
32221211200110110
42201312331303
541330232243
64113232403
71023436365
oct241667563
987750413
1042430323
1121a50591
1212262703
138a37b00
1458c6d35
153ad1e33
hex2876f73

42430323 has 12 divisors (see below), whose sum is σ = 61261080. Its totient is φ = 26110656.

The previous prime is 42430307. The next prime is 42430327. The reversal of 42430323 is 32303424.

It is not a de Polignac number, because 42430323 - 24 = 42430307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42430323.

It is not an unprimeable number, because it can be changed into a prime (42430327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41338 + ... + 42351.

It is an arithmetic number, because the mean of its divisors is an integer number (5105090).

Almost surely, 242430323 is an apocalyptic number.

42430323 is a deficient number, since it is larger than the sum of its proper divisors (18830757).

42430323 is a wasteful number, since it uses less digits than its factorization.

42430323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83718 (or 83705 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 42430323 is about 6513.8562311430. The cubic root of 42430323 is about 348.7857871062.

Adding to 42430323 its reverse (32303424), we get a palindrome (74733747).

The spelling of 42430323 in words is "forty-two million, four hundred thirty thousand, three hundred twenty-three".

Divisors: 1 3 13 39 169 507 83689 251067 1087957 3263871 14143441 42430323