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42754960 = 2454783137
BaseRepresentation
bin1010001100011…
…0001110010000
32222110011210001
42203012032100
541421124320
64124215344
71026261013
oct243061620
988404701
1042754960
1122152486
121239a554
138b1c7c1
14596d37a
153b4820a
hex28c6390

42754960 has 80 divisors (see below), whose sum is σ = 103493376. Its totient is φ = 16415744.

The previous prime is 42754937. The next prime is 42754963. The reversal of 42754960 is 6945724.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (42754963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312012 + ... + 312148.

Almost surely, 242754960 is an apocalyptic number.

42754960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42754960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51746688).

42754960 is an abundant number, since it is smaller than the sum of its proper divisors (60738416).

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

42754960 is a wasteful number, since it uses less digits than its factorization.

42754960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 42754960 is about 6538.7277049897. The cubic root of 42754960 is about 349.6730552311.

The spelling of 42754960 in words is "forty-two million, seven hundred fifty-four thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 47 80 83 94 137 166 188 235 274 332 376 415 470 548 664 685 752 830 940 1096 1328 1370 1660 1880 2192 2740 3320 3760 3901 5480 6439 6640 7802 10960 11371 12878 15604 19505 22742 25756 31208 32195 39010 45484 51512 56855 62416 64390 78020 90968 103024 113710 128780 156040 181936 227420 257560 312080 454840 515120 534437 909680 1068874 2137748 2672185 4275496 5344370 8550992 10688740 21377480 42754960