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42000050 = 2527111831
BaseRepresentation
bin1010000000110…
…1111010110010
32221000211020102
42200031322302
541223000200
64100112402
71016665061
oct240157262
987024212
1042000050
1121787294
1212095702
138917001
1458141d8
153a496d5
hex280deb2

42000050 has 24 divisors (see below), whose sum is σ = 79227072. Its totient is φ = 16562000.

The previous prime is 42000037. The next prime is 42000059. The reversal of 42000050 is 5000024.

It is a junction number, because it is equal to n+sod(n) for n = 41999995 and 42000040.

It is not an unprimeable number, because it can be changed into a prime (42000059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2366 + ... + 9465.

It is an arithmetic number, because the mean of its divisors is an integer number (3301128).

Almost surely, 242000050 is an apocalyptic number.

42000050 is a deficient number, since it is larger than the sum of its proper divisors (37227022).

42000050 is a wasteful number, since it uses less digits than its factorization.

42000050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11914 (or 11909 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 42000050 is about 6480.7445559905. The cubic root of 42000050 is about 347.6028024262.

Adding to 42000050 its reverse (5000024), we get a palindrome (47000074).

The spelling of 42000050 in words is "forty-two million, fifty", and thus it is an aban number, an eban number, and an uban number.

Divisors: 1 2 5 10 25 50 71 142 355 710 1775 3550 11831 23662 59155 118310 295775 591550 840001 1680002 4200005 8400010 21000025 42000050