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42851080 = 2351956383
BaseRepresentation
bin1010001101110…
…1101100001000
32222122001122001
42203131230020
541432213310
64130240344
71030141156
oct243355410
988561561
1042851080
1122208718
12124260b4
138b5448c
1459963d6
153b6693a
hex28ddb08

42851080 has 32 divisors (see below), whose sum is σ = 101491200. Its totient is φ = 16238016.

The previous prime is 42851077. The next prime is 42851087. The reversal of 42851080 is 8015824.

It is not an unprimeable number, because it can be changed into a prime (42851087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27432 + ... + 28951.

It is an arithmetic number, because the mean of its divisors is an integer number (3171600).

Almost surely, 242851080 is an apocalyptic number.

42851080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42851080 is an abundant number, since it is smaller than the sum of its proper divisors (58640120).

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

42851080 is a wasteful number, since it uses less digits than its factorization.

42851080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56413 (or 56409 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 42851080 is about 6546.0736323387. The cubic root of 42851080 is about 349.9348994566.

The spelling of 42851080 in words is "forty-two million, eight hundred fifty-one thousand, eighty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 56383 112766 225532 281915 451064 563830 1071277 1127660 2142554 2255320 4285108 5356385 8570216 10712770 21425540 42851080