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42500760 = 23351492377
BaseRepresentation
bin1010001000100…
…0001010011000
32221222021002020
42202020022120
541340011020
64114534440
71024151631
oct242101230
987867066
1042500760
1121a994a5
1212297420
138a60ba3
145904888
153ae7c40
hex2888298

42500760 has 64 divisors (see below), whose sum is σ = 128412000. Its totient is φ = 11252736.

The previous prime is 42500749. The next prime is 42500761. The reversal of 42500760 is 6700524.

It is a happy number.

It is a super-3 number, since 3×425007603 (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 42500760.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42500761) 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, 16692 + ... + 19068.

Almost surely, 242500760 is an apocalyptic number.

42500760 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 42500760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64206000).

42500760 is an abundant number, since it is smaller than the sum of its proper divisors (85911240).

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

42500760 is a wasteful number, since it uses less digits than its factorization.

42500760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540 (or 2536 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 42500760 is about 6519.2606942812. The cubic root of 42500760 is about 348.9786825073.

The spelling of 42500760 in words is "forty-two million, five hundred thousand, seven hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 149 298 447 596 745 894 1192 1490 1788 2235 2377 2980 3576 4470 4754 5960 7131 8940 9508 11885 14262 17880 19016 23770 28524 35655 47540 57048 71310 95080 142620 285240 354173 708346 1062519 1416692 1770865 2125038 2833384 3541730 4250076 5312595 7083460 8500152 10625190 14166920 21250380 42500760