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42569760 = 2535131677
BaseRepresentation
bin1010001001100…
…1000000100000
32222002202201210
42202121000200
541344213020
64120230120
71024560042
oct242310040
988082653
1042569760
1122036322
121230b340
138a8640c
145921a92
153b0d3e0
hex2899020

42569760 has 96 divisors (see below), whose sum is σ = 135317952. Its totient is φ = 11248640.

The previous prime is 42569753. The next prime is 42569771. The reversal of 42569760 is 6796524.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62542 + ... + 63218.

It is an arithmetic number, because the mean of its divisors is an integer number (1409562).

Almost surely, 242569760 is an apocalyptic number.

42569760 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 42569760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67658976).

42569760 is an abundant number, since it is smaller than the sum of its proper divisors (92748192).

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

42569760 is a wasteful number, since it uses less digits than its factorization.

42569760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826 (or 818 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 42569760 is about 6524.5505592339. The cubic root of 42569760 is about 349.1674360715.

The spelling of 42569760 in words is "forty-two million, five hundred sixty-nine thousand, seven hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 131 160 240 262 393 480 524 655 677 786 1048 1310 1354 1572 1965 2031 2096 2620 2708 3144 3385 3930 4062 4192 5240 5416 6288 6770 7860 8124 10155 10480 10832 12576 13540 15720 16248 20310 20960 21664 27080 31440 32496 40620 54160 62880 64992 81240 88687 108320 162480 177374 266061 324960 354748 443435 532122 709496 886870 1064244 1330305 1418992 1773740 2128488 2660610 2837984 3547480 4256976 5321220 7094960 8513952 10642440 14189920 21284880 42569760