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42944160 = 2535712781
BaseRepresentation
bin1010001111010…
…0011010100000
32222210210022110
42203310122200
541443203120
64132235320
71031006430
oct243643240
988723273
1042944160
1122271646
121246bb40
138b8795c
1459bc2c0
153b842e0
hex28f46a0

42944160 has 96 divisors (see below), whose sum is σ = 154611072. Its totient is φ = 9815040.

The previous prime is 42944149. The next prime is 42944171. The reversal of 42944160 is 6144924.

It is an interprime number because it is at equal distance from previous prime (42944149) and next prime (42944171).

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

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3031 + ... + 9750.

It is an arithmetic number, because the mean of its divisors is an integer number (1610532).

Almost surely, 242944160 is an apocalyptic number.

42944160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42944160 is an abundant number, since it is smaller than the sum of its proper divisors (111666912).

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

42944160 is a wasteful number, since it uses less digits than its factorization.

42944160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12806 (or 12798 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 42944160 is about 6553.1793810333. The cubic root of 42944160 is about 350.1880893792.

The spelling of 42944160 in words is "forty-two million, nine hundred forty-four thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 70 80 84 96 105 112 120 140 160 168 210 224 240 280 336 420 480 560 672 840 1120 1680 3360 12781 25562 38343 51124 63905 76686 89467 102248 127810 153372 178934 191715 204496 255620 268401 306744 357868 383430 408992 447335 511240 536802 613488 715736 766860 894670 1022480 1073604 1226976 1342005 1431472 1533720 1789340 2044960 2147208 2684010 2862944 3067440 3578680 4294416 5368020 6134880 7157360 8588832 10736040 14314720 21472080 42944160