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42875740 = 2254574691
BaseRepresentation
bin1010001110001…
…1101101011100
32222200022110101
42203203231130
541434010430
64130550444
71030303105
oct243435534
988608411
1042875740
11222251a6
1212438424
138b6277b
1459a13ac
153b6ddca
hex28e3b5c

42875740 has 24 divisors (see below), whose sum is σ = 90255312. Its totient is φ = 17109120.

The previous prime is 42875719. The next prime is 42875753. The reversal of 42875740 is 4757824.

It is a self number, because there is not a number n which added to its sum of digits gives 42875740.

It is a congruent 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, 6795 + ... + 11485.

It is an arithmetic number, because the mean of its divisors is an integer number (3760638).

Almost surely, 242875740 is an apocalyptic number.

It is an amenable number.

42875740 is an abundant number, since it is smaller than the sum of its proper divisors (47379572).

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

42875740 is a wasteful number, since it uses less digits than its factorization.

42875740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5157 (or 5155 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 42875740 is about 6547.9569332732. The cubic root of 42875740 is about 350.0020135939.

The spelling of 42875740 in words is "forty-two million, eight hundred seventy-five thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 457 914 1828 2285 4570 4691 9140 9382 18764 23455 46910 93820 2143787 4287574 8575148 10718935 21437870 42875740