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42604693 is a prime number
BaseRepresentation
bin1010001010000…
…1100010010101
32222011112122121
42202201202111
541401322233
64121055541
71025063635
oct242414225
988145577
1042604693
112205a59a
12123275b1
138a992a1
1459306c5
153b1892d
hex28a1895

42604693 has 2 divisors, whose sum is σ = 42604694. Its totient is φ = 42604692.

The previous prime is 42604691. The next prime is 42604747. The reversal of 42604693 is 39640624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42224004 + 380689 = 6498^2 + 617^2 .

It is a cyclic number.

It is not a de Polignac number, because 42604693 - 21 = 42604691 is a prime.

Together with 42604691, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42604691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21302346 + 21302347.

It is an arithmetic number, because the mean of its divisors is an integer number (21302347).

Almost surely, 242604693 is an apocalyptic number.

It is an amenable number.

42604693 is a deficient number, since it is larger than the sum of its proper divisors (1).

42604693 is an equidigital number, since it uses as much as digits as its factorization.

42604693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 42604693 is about 6527.2270528916. The cubic root of 42604693 is about 349.2629195879.

The spelling of 42604693 in words is "forty-two million, six hundred four thousand, six hundred ninety-three".