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42607760 = 2451353773
BaseRepresentation
bin1010001010001…
…0010010010000
32222011200212012
42202202102100
541401422020
64121122052
71025105606
oct242422220
988150765
1042607760
1122061928
1212329328
138a9a7c0
145931876
153b197c5
hex28a2490

42607760 has 80 divisors (see below), whose sum is σ = 108836784. Its totient is φ = 15415296.

The previous prime is 42607727. The next prime is 42607769. The reversal of 42607760 is 6770624.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 6990736 + 35617024 = 2644^2 + 5968^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (42607769) 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, 54734 + ... + 55506.

Almost surely, 242607760 is an apocalyptic number.

42607760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42607760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54418392).

42607760 is an abundant number, since it is smaller than the sum of its proper divisors (66229024).

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

42607760 is a wasteful number, since it uses less digits than its factorization.

42607760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852 (or 846 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 42607760 is about 6527.4619876335. The cubic root of 42607760 is about 349.2713002270.

The spelling of 42607760 in words is "forty-two million, six hundred seven thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 53 65 80 104 106 130 208 212 260 265 424 520 530 689 773 848 1040 1060 1378 1546 2120 2756 3092 3445 3865 4240 5512 6184 6890 7730 10049 11024 12368 13780 15460 20098 27560 30920 40196 40969 50245 55120 61840 80392 81938 100490 160784 163876 200980 204845 327752 401960 409690 532597 655504 803920 819380 1065194 1638760 2130388 2662985 3277520 4260776 5325970 8521552 10651940 21303880 42607760