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42608742 = 23112328069
BaseRepresentation
bin1010001010001…
…0100001100110
32222011202012120
42202202201212
541401434432
64121130410
71025111511
oct242424146
988152176
1042608742
1122062640
1212329a06
138a9b097
145931d78
153b19c2c
hex28a2866

42608742 has 32 divisors (see below), whose sum is σ = 97009920. Its totient is φ = 12349920.

The previous prime is 42608737. The next prime is 42608747. The reversal of 42608742 is 24780624.

It is an interprime number because it is at equal distance from previous prime (42608737) and next prime (42608747).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42608747) 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, 12517 + ... + 15552.

It is an arithmetic number, because the mean of its divisors is an integer number (3031560).

Almost surely, 242608742 is an apocalyptic number.

42608742 is an abundant number, since it is smaller than the sum of its proper divisors (54401178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42608742 is a wasteful number, since it uses less digits than its factorization.

42608742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28108.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 42608742 is about 6527.5372078603. The cubic root of 42608742 is about 349.2739834767.

The spelling of 42608742 in words is "forty-two million, six hundred eight thousand, seven hundred forty-two".

Divisors: 1 2 3 6 11 22 23 33 46 66 69 138 253 506 759 1518 28069 56138 84207 168414 308759 617518 645587 926277 1291174 1852554 1936761 3873522 7101457 14202914 21304371 42608742