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42663950 = 2527791543
BaseRepresentation
bin1010001011000…
…0000000001110
32222021112221022
42202300000032
541410221300
64122234142
71025431460
oct242600016
988245838
1042663950
11220a006a
1212355952
138aba254
145948130
153b2b285
hex28b000e

42663950 has 48 divisors (see below), whose sum is σ = 91898880. Its totient is φ = 14433120.

The previous prime is 42663947. The next prime is 42663961. The reversal of 42663950 is 5936624.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 42663950.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26879 + ... + 28421.

It is an arithmetic number, because the mean of its divisors is an integer number (1914560).

Almost surely, 242663950 is an apocalyptic number.

42663950 is an abundant number, since it is smaller than the sum of its proper divisors (49234930).

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

42663950 is a wasteful number, since it uses less digits than its factorization.

42663950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641 (or 1636 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 42663950 is about 6531.7646926386. The cubic root of 42663950 is about 349.4247694030.

The spelling of 42663950 in words is "forty-two million, six hundred sixty-three thousand, nine hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 79 158 175 350 395 553 790 1106 1543 1975 2765 3086 3950 5530 7715 10801 13825 15430 21602 27650 38575 54005 77150 108010 121897 243794 270025 540050 609485 853279 1218970 1706558 3047425 4266395 6094850 8532790 21331975 42663950