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42975360 = 27345829
BaseRepresentation
bin1010001111110…
…0000010000000
32222212101010000
42203330002000
542000202420
64133040000
71031166411
oct243740200
988771100
1042975360
112229302a
1212486000
138b98c0c
1459c9808
153b8d690
hex28fc080

42975360 has 160 divisors (see below), whose sum is σ = 153657900. Its totient is φ = 11446272.

The previous prime is 42975347. The next prime is 42975391. The reversal of 42975360 is 6357924.

42975360 is a `hidden beast` number, since 4 + 297 + 5 + 360 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 42928704 + 46656 = 6552^2 + 216^2 .

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 9.

It is a zygodrome in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 51426 + ... + 52254.

Almost surely, 242975360 is an apocalyptic number.

42975360 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 42975360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76828950).

42975360 is an abundant number, since it is smaller than the sum of its proper divisors (110682540).

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

42975360 is an equidigital number, since it uses as much as digits as its factorization.

42975360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860 (or 839 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 42975360 is about 6555.5594726919. The cubic root of 42975360 is about 350.2728756341.

The spelling of 42975360 in words is "forty-two million, nine hundred seventy-five thousand, three hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 81 90 96 108 120 128 135 144 160 162 180 192 216 240 270 288 320 324 360 384 405 432 480 540 576 640 648 720 810 829 864 960 1080 1152 1296 1440 1620 1658 1728 1920 2160 2487 2592 2880 3240 3316 3456 4145 4320 4974 5184 5760 6480 6632 7461 8290 8640 9948 10368 12435 12960 13264 14922 16580 17280 19896 22383 24870 25920 26528 29844 33160 37305 39792 44766 49740 51840 53056 59688 66320 67149 74610 79584 89532 99480 106112 111915 119376 132640 134298 149220 159168 179064 198960 223830 238752 265280 268596 298440 318336 335745 358128 397920 447660 477504 530560 537192 596880 671490 716256 795840 895320 955008 1074384 1193760 1342980 1432512 1591680 1790640 2148768 2387520 2685960 2865024 3581280 4297536 4775040 5371920 7162560 8595072 10743840 14325120 21487680 42975360