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42850378 = 221425189
BaseRepresentation
bin1010001101110…
…1100001001010
32222122000200001
42203131201022
541432203003
64130233214
71030136134
oct243354112
988560601
1042850378
112220813a
121242580a
138b5406c
145996054
153b6661d
hex28dd84a

42850378 has 4 divisors (see below), whose sum is σ = 64275570. Its totient is φ = 21425188.

The previous prime is 42850373. The next prime is 42850393. The reversal of 42850378 is 87305824.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 37908649 + 4941729 = 6157^2 + 2223^2 .

It is not an unprimeable number, because it can be changed into a prime (42850373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10712593 + ... + 10712596.

Almost surely, 242850378 is an apocalyptic number.

42850378 is a deficient number, since it is larger than the sum of its proper divisors (21425192).

42850378 is a wasteful number, since it uses less digits than its factorization.

42850378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21425191.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 42850378 is about 6546.0200121906. The cubic root of 42850378 is about 349.9329885313.

The spelling of 42850378 in words is "forty-two million, eight hundred fifty thousand, three hundred seventy-eight".

Divisors: 1 2 21425189 42850378