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42814757 = 46919127
BaseRepresentation
bin1010001101010…
…0110100100101
32222120012210202
42203110310211
541430033012
64125400245
71026630236
oct243246445
988505722
1042814757
11221933a7
1212409085
138b40a9b
14598708d
153b5acc2
hex28d4d25

42814757 has 4 divisors (see below), whose sum is σ = 42828576. Its totient is φ = 42800940.

The previous prime is 42814747. The next prime is 42814769. The reversal of 42814757 is 75741824.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 42814757 - 26 = 42814693 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 42814757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42814727) 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, 128 + ... + 9254.

It is an arithmetic number, because the mean of its divisors is an integer number (10707144).

Almost surely, 242814757 is an apocalyptic number.

It is an amenable number.

42814757 is a deficient number, since it is larger than the sum of its proper divisors (13819).

42814757 is an equidigital number, since it uses as much as digits as its factorization.

42814757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13818.

The product of its digits is 62720, while the sum is 38.

The square root of 42814757 is about 6543.2986329526. The cubic root of 42814757 is about 349.8359966325.

The spelling of 42814757 in words is "forty-two million, eight hundred fourteen thousand, seven hundred fifty-seven".

Divisors: 1 4691 9127 42814757