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2146320 = 2432511271
BaseRepresentation
bin1000001100000000010000
311001001012100
420030000100
51022140240
6114000400
724146331
oct10140020
94031170
102146320
111236620
12876100
135a1c17
143dc288
152c5e30
hex20c010

2146320 has 120 divisors (see below), whose sum is σ = 7892352. Its totient is φ = 518400.

The previous prime is 2146307. The next prime is 2146327. The reversal of 2146320 is 236412.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a d-powerful number, because it can be written as 215 + 1 + 47 + 6 + 32 + 221 + 0 .

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 2146293 and 2146302.

It is not an unprimeable number, because it can be changed into a prime (2146327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7785 + ... + 8055.

22146320 is an apocalyptic number.

2146320 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 2146320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3946176).

2146320 is an abundant number, since it is smaller than the sum of its proper divisors (5746032).

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

2146320 is a wasteful number, since it uses less digits than its factorization.

2146320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2146320 is about 1465.0324228494. The cubic root of 2146320 is about 128.9926081937.

The spelling of 2146320 in words is "two million, one hundred forty-six thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 33 36 40 44 45 48 55 60 66 72 80 88 90 99 110 120 132 144 165 176 180 198 220 240 264 271 330 360 396 440 495 528 542 660 720 792 813 880 990 1084 1320 1355 1584 1626 1980 2168 2439 2640 2710 2981 3252 3960 4065 4336 4878 5420 5962 6504 7920 8130 8943 9756 10840 11924 12195 13008 14905 16260 17886 19512 21680 23848 24390 26829 29810 32520 35772 39024 44715 47696 48780 53658 59620 65040 71544 89430 97560 107316 119240 134145 143088 178860 195120 214632 238480 268290 357720 429264 536580 715440 1073160 2146320