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42125677 = 1117474793
BaseRepresentation
bin1010000010110…
…0100101101101
32221021012120021
42200230211231
541241010202
64102522141
71021030246
oct240544555
987235507
1042125677
1121862710
1212136351
13895c249
145847ccd
153a71a37
hex282c96d

42125677 has 16 divisors (see below), whose sum is σ = 49704192. Its totient is φ = 35269120.

The previous prime is 42125663. The next prime is 42125687. The reversal of 42125677 is 77652124.

It is a cyclic number.

It is not a de Polignac number, because 42125677 - 27 = 42125549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42125687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6393 + ... + 11185.

It is an arithmetic number, because the mean of its divisors is an integer number (3106512).

Almost surely, 242125677 is an apocalyptic number.

42125677 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

42125677 is a deficient number, since it is larger than the sum of its proper divisors (7578515).

42125677 is a wasteful number, since it uses less digits than its factorization.

42125677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4868.

The product of its digits is 23520, while the sum is 34.

The square root of 42125677 is about 6490.4296467953. The cubic root of 42125677 is about 347.9490308274.

It can be divided in two parts, 4212 and 5677, that added together give a palindrome (9889).

The spelling of 42125677 in words is "forty-two million, one hundred twenty-five thousand, six hundred seventy-seven".

Divisors: 1 11 17 47 187 517 799 4793 8789 52723 81481 225271 896291 2477981 3829607 42125677