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42050868 = 2233504239
BaseRepresentation
bin1010000001101…
…0010100110100
32221010101221120
42200122110310
541231111433
64101143540
71020266166
oct240322464
987111846
1042050868
1121811492
12120babb0
138934192
145828936
153a597b3
hex281a534

42050868 has 12 divisors (see below), whose sum is σ = 98118720. Its totient is φ = 14016952.

The previous prime is 42050867. The next prime is 42050891. The reversal of 42050868 is 86805024.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42050863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1752108 + ... + 1752131.

It is an arithmetic number, because the mean of its divisors is an integer number (8176560).

Almost surely, 242050868 is an apocalyptic number.

It is an amenable number.

42050868 is an abundant number, since it is smaller than the sum of its proper divisors (56067852).

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

42050868 is a wasteful number, since it uses less digits than its factorization.

42050868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3504246 (or 3504244 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 42050868 is about 6484.6640622318. The cubic root of 42050868 is about 347.7429400340.

The spelling of 42050868 in words is "forty-two million, fifty thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 3504239 7008478 10512717 14016956 21025434 42050868