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42042410 = 257275783
BaseRepresentation
bin1010000001100…
…0010000101010
32221002222100022
42200120100222
541230324120
64101040442
71020232424
oct240302052
987088308
1042042410
11218060a3
12120b6122
138930387
145825814
153a57025
hex281842a

42042410 has 16 divisors (see below), whose sum is σ = 75793536. Its totient is φ = 16790928.

The previous prime is 42042389. The next prime is 42042439. The reversal of 42042410 is 1424024.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4379 + ... + 10161.

It is an arithmetic number, because the mean of its divisors is an integer number (4737096).

Almost surely, 242042410 is an apocalyptic number.

42042410 is a deficient number, since it is larger than the sum of its proper divisors (33751126).

42042410 is a wasteful number, since it uses less digits than its factorization.

42042410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6517.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 42042410 is about 6484.0118753747. The cubic root of 42042410 is about 347.7196237733.

Adding to 42042410 its reverse (1424024), we get a palindrome (43466434).

The spelling of 42042410 in words is "forty-two million, forty-two thousand, four hundred ten".

Divisors: 1 2 5 10 727 1454 3635 5783 7270 11566 28915 57830 4204241 8408482 21021205 42042410