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42707117 = 194173751
BaseRepresentation
bin1010001011101…
…0100010101101
32222100202011002
42202322202231
541413111432
64123210045
71026001355
oct242724255
988322132
1042707117
112211a542
1212376925
138b03aab
145959b65
153b38e62
hex28ba8ad

42707117 has 16 divisors (see below), whose sum is σ = 46744320. Its totient is φ = 38880000.

The previous prime is 42707101. The next prime is 42707153. The reversal of 42707117 is 71170724.

42707117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 42707117 - 24 = 42707101 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 42707117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42707177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56492 + ... + 57242.

It is an arithmetic number, because the mean of its divisors is an integer number (2921520).

Almost surely, 242707117 is an apocalyptic number.

It is an amenable number.

42707117 is a deficient number, since it is larger than the sum of its proper divisors (4037203).

42707117 is a wasteful number, since it uses less digits than its factorization.

42707117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884.

The product of its (nonzero) digits is 2744, while the sum is 29.

The square root of 42707117 is about 6535.0682475396. The cubic root of 42707117 is about 349.5425779566.

It can be divided in two parts, 42707 and 117, that added together give a palindrome (42824).

The spelling of 42707117 in words is "forty-two million, seven hundred seven thousand, one hundred seventeen".

Divisors: 1 19 41 73 751 779 1387 2993 14269 30791 54823 56867 585029 1041637 2247743 42707117