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42804500 = 2253591451
BaseRepresentation
bin1010001101001…
…0010100010100
32222112200201212
42203102110110
541424221000
64125240552
71026555314
oct243222424
988480655
1042804500
1122186722
1212403158
138b3920b
145983444
153b57c35
hex28d2514

42804500 has 48 divisors (see below), whose sum is σ = 95135040. Its totient is φ = 16820000.

The previous prime is 42804497. The next prime is 42804529. The reversal of 42804500 is 540824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28775 + ... + 30225.

It is an arithmetic number, because the mean of its divisors is an integer number (1981980).

Almost surely, 242804500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42804500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47567520).

42804500 is an abundant number, since it is smaller than the sum of its proper divisors (52330540).

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

42804500 is a wasteful number, since it uses less digits than its factorization.

42804500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529 (or 1517 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 42804500 is about 6542.5148070142. The cubic root of 42804500 is about 349.8080580225.

The spelling of 42804500 in words is "forty-two million, eight hundred four thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 59 100 118 125 236 250 295 500 590 1180 1451 1475 2902 2950 5804 5900 7255 7375 14510 14750 29020 29500 36275 72550 85609 145100 171218 181375 342436 362750 428045 725500 856090 1712180 2140225 4280450 8560900 10701125 21402250 42804500