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42304413 = 314101471
BaseRepresentation
bin1010000101100…
…0001110011101
32221121021202010
42201120032131
541312220123
64110421433
71022403324
oct241301635
987537663
1042304413
1121974a28
1212201879
1389c26c8
1458930bb
153aa9993
hex285839d

42304413 has 4 divisors (see below), whose sum is σ = 56405888. Its totient is φ = 28202940.

The previous prime is 42304391. The next prime is 42304439. The reversal of 42304413 is 31440324.

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 not a de Polignac number, because 42304413 - 26 = 42304349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42304413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42304453) 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, 7050733 + ... + 7050738.

It is an arithmetic number, because the mean of its divisors is an integer number (14101472).

Almost surely, 242304413 is an apocalyptic number.

It is an amenable number.

42304413 is a deficient number, since it is larger than the sum of its proper divisors (14101475).

42304413 is a wasteful number, since it uses less digits than its factorization.

42304413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14101474.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 42304413 is about 6504.1842686074. The cubic root of 42304413 is about 348.4404434441.

Adding to 42304413 its reverse (31440324), we get a palindrome (73744737).

The spelling of 42304413 in words is "forty-two million, three hundred four thousand, four hundred thirteen".

Divisors: 1 3 14101471 42304413