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42641950 = 25213172227
BaseRepresentation
bin1010001010101…
…0101000011110
32222020102202111
42202222220132
541404020300
64121544234
71025310361
oct242525036
988212674
1042641950
112208558a
121234507a
138ab0230
1459400d8
153b249ba
hex28aaa1e

42641950 has 72 divisors (see below), whose sum is σ = 91134792. Its totient is φ = 14753280.

The previous prime is 42641881. The next prime is 42641969. The reversal of 42641950 is 5914624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 187737 + ... + 187963.

It is an arithmetic number, because the mean of its divisors is an integer number (1265761).

Almost surely, 242641950 is an apocalyptic number.

42641950 is an abundant number, since it is smaller than the sum of its proper divisors (48492842).

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

42641950 is a wasteful number, since it uses less digits than its factorization.

42641950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 42641950 is about 6530.0803976674. The cubic root of 42641950 is about 349.3646978699.

The spelling of 42641950 in words is "forty-two million, six hundred forty-one thousand, nine hundred fifty".

Divisors: 1 2 5 10 13 17 25 26 34 50 65 85 130 170 221 227 289 325 425 442 454 578 650 850 1105 1135 1445 2210 2270 2890 2951 3757 3859 5525 5675 5902 7225 7514 7718 11050 11350 14450 14755 18785 19295 29510 37570 38590 50167 65603 73775 93925 96475 100334 131206 147550 187850 192950 250835 328015 501670 656030 852839 1254175 1640075 1705678 2508350 3280150 4264195 8528390 21320975 42641950