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4242305431 = 71323586057
BaseRepresentation
bin1111110011011100…
…0111000110010111
3101221122122110000101
43330313013012113
532142012233211
61540543154531
7210062000260
oct37467070627
911848573011
104242305431
111887741951
129a48a5a47
13527b9ba00
142c35c9967
1519c6895c1
hexfcdc7197

4242305431 has 12 divisors (see below), whose sum is σ = 5249988912. Its totient is φ = 3356548416.

The previous prime is 4242305413. The next prime is 4242305461. The reversal of 4242305431 is 1345032424.

It is a happy number.

It is not a de Polignac number, because 4242305431 - 211 = 4242303383 is a prime.

It is a super-2 number, since 2×42423054312 = 35994310739784191522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4242305431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4242305461) 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, 1791846 + ... + 1794211.

It is an arithmetic number, because the mean of its divisors is an integer number (437499076).

Almost surely, 24242305431 is an apocalyptic number.

4242305431 is a deficient number, since it is larger than the sum of its proper divisors (1007683481).

4242305431 is a wasteful number, since it uses less digits than its factorization.

4242305431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3586090 (or 3586077 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 4242305431 is about 65132.9826662345. The cubic root of 4242305431 is about 1618.8277643535.

Adding to 4242305431 its reverse (1345032424), we get a palindrome (5587337855).

The spelling of 4242305431 in words is "four billion, two hundred forty-two million, three hundred five thousand, four hundred thirty-one".

Divisors: 1 7 13 91 169 1183 3586057 25102399 46618741 326331187 606043633 4242305431