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2972160 = 2933543
BaseRepresentation
bin1011010101101000000000
312121000001000
423111220000
51230102120
6143412000
734156122
oct13255000
95530030
102972160
111750034
12bb4000
13800a99
14575212
153da990
hex2d5a00

2972160 has 160 divisors (see below), whose sum is σ = 10802880. Its totient is φ = 774144.

The previous prime is 2972159. The next prime is 2972171. The reversal of 2972160 is 612792.

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 (27).

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69099 + ... + 69141.

It is an arithmetic number, because the mean of its divisors is an integer number (67518).

22972160 is an apocalyptic number.

2972160 is a gapful number since it is divisible by the number (20) 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 2972160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5401440).

2972160 is an abundant number, since it is smaller than the sum of its proper divisors (7830720).

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

2972160 is an equidigital number, since it uses as much as digits as its factorization.

2972160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 2972160 is about 1723.9953596225. The cubic root of 2972160 is about 143.7774339575. Note that the first 3 decimals are identical.

The spelling of 2972160 in words is "two million, nine hundred seventy-two thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 43 45 48 54 60 64 72 80 86 90 96 108 120 128 129 135 144 160 172 180 192 215 216 240 256 258 270 288 320 344 360 384 387 430 432 480 512 516 540 576 640 645 688 720 768 774 860 864 960 1032 1080 1152 1161 1280 1290 1376 1440 1536 1548 1720 1728 1920 1935 2064 2160 2304 2322 2560 2580 2752 2880 3096 3440 3456 3840 3870 4128 4320 4608 4644 5160 5504 5760 5805 6192 6880 6912 7680 7740 8256 8640 9288 10320 11008 11520 11610 12384 13760 13824 15480 16512 17280 18576 20640 22016 23040 23220 24768 27520 30960 33024 34560 37152 41280 46440 49536 55040 61920 66048 69120 74304 82560 92880 99072 110080 123840 148608 165120 185760 198144 247680 297216 330240 371520 495360 594432 743040 990720 1486080 2972160