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42857277 = 328150839
BaseRepresentation
bin1010001101111…
…1001100111101
32222122101010120
42203133030331
541432413102
64130325153
71030165221
oct243371475
988571116
1042857277
1122212341
12124297b9
138b57248
145998781
153b686bc
hex28df33d

42857277 has 8 divisors (see below), whose sum is σ = 57347520. Its totient is φ = 28469280.

The previous prime is 42857267. The next prime is 42857329. The reversal of 42857277 is 77275824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42857277 - 219 = 42332989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42857207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24577 + ... + 26262.

It is an arithmetic number, because the mean of its divisors is an integer number (7168440).

Almost surely, 242857277 is an apocalyptic number.

It is an amenable number.

42857277 is a deficient number, since it is larger than the sum of its proper divisors (14490243).

42857277 is a wasteful number, since it uses less digits than its factorization.

42857277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51123.

The product of its digits is 219520, while the sum is 42.

The square root of 42857277 is about 6546.5469524017. The cubic root of 42857277 is about 349.9517675032.

It can be divided in two parts, 42857 and 277, that added together give a palindrome (43134).

The spelling of 42857277 in words is "forty-two million, eight hundred fifty-seven thousand, two hundred seventy-seven".

Divisors: 1 3 281 843 50839 152517 14285759 42857277