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42041500 = 2253471789
BaseRepresentation
bin1010000001100…
…0000010011100
32221002221002121
42200120002130
541230312000
64101032324
71020226654
oct240300234
987087077
1042041500
1121805446
12120b56a4
13892cb37
145825364
153a56b1a
hex281809c

42041500 has 48 divisors (see below), whose sum is σ = 93824640. Its totient is φ = 16449600.

The previous prime is 42041497. The next prime is 42041507. The reversal of 42041500 is 514024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42041507) 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, 22606 + ... + 24394.

It is an arithmetic number, because the mean of its divisors is an integer number (1954680).

Almost surely, 242041500 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 42041500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46912320).

42041500 is an abundant number, since it is smaller than the sum of its proper divisors (51783140).

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

42041500 is a wasteful number, since it uses less digits than its factorization.

42041500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855 (or 1843 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 42041500 is about 6483.9417023906. The cubic root of 42041500 is about 347.7171149801.

Adding to 42041500 its reverse (514024), we get a palindrome (42555524).

The spelling of 42041500 in words is "forty-two million, forty-one thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 47 50 94 100 125 188 235 250 470 500 940 1175 1789 2350 3578 4700 5875 7156 8945 11750 17890 23500 35780 44725 84083 89450 168166 178900 223625 336332 420415 447250 840830 894500 1681660 2102075 4204150 8408300 10510375 21020750 42041500