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42753361 = 76107623
BaseRepresentation
bin1010001100010…
…1110101010001
32222110002120211
42203011311101
541421101421
64124204121
71026253240
oct243056521
988402524
1042753361
1122151262
1212399641
138b1bb61
14596c957
153b479e1
hex28c5d51

42753361 has 4 divisors (see below), whose sum is σ = 48860992. Its totient is φ = 36645732.

The previous prime is 42753349. The next prime is 42753379. The reversal of 42753361 is 16335724.

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 a cyclic number.

It is not a de Polignac number, because 42753361 - 27 = 42753233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42753301) 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, 3053805 + ... + 3053818.

It is an arithmetic number, because the mean of its divisors is an integer number (12215248).

Almost surely, 242753361 is an apocalyptic number.

It is an amenable number.

42753361 is a deficient number, since it is larger than the sum of its proper divisors (6107631).

42753361 is an equidigital number, since it uses as much as digits as its factorization.

42753361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6107630.

The product of its digits is 15120, while the sum is 31.

The square root of 42753361 is about 6538.6054323533. The cubic root of 42753361 is about 349.6686960161.

The spelling of 42753361 in words is "forty-two million, seven hundred fifty-three thousand, three hundred sixty-one".

Divisors: 1 7 6107623 42753361