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995280 = 2435111329
BaseRepresentation
bin11110010111111010000
31212120021020
43302333100
5223322110
633155440
711313456
oct3627720
91776236
10995280
1161a850
123bbb80
1328b030
141bc9d6
15149d70
hexf2fd0

995280 has 160 divisors (see below), whose sum is σ = 3749760. Its totient is φ = 215040.

The previous prime is 995273. The next prime is 995303. The reversal of 995280 is 82599.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 995280.

It is an unprimeable number.

995280 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34306 + ... + 34334.

It is an arithmetic number, because the mean of its divisors is an integer number (23436).

2995280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 995280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1874880).

995280 is an abundant number, since it is smaller than the sum of its proper divisors (2754480).

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

995280 is a wasteful number, since it uses less digits than its factorization.

995280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 995280 is about 997.6372086084. The cubic root of 995280 is about 99.8424184777.

It can be divided in two parts, 995 and 280, that added together give a triangular number (1275 = T50).

The spelling of 995280 in words is "nine hundred ninety-five thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 11 12 13 15 16 20 22 24 26 29 30 33 39 40 44 48 52 55 58 60 65 66 78 80 87 88 104 110 116 120 130 132 143 145 156 165 174 176 195 208 220 232 240 260 264 286 290 312 319 330 348 377 390 429 435 440 464 520 528 572 580 624 638 660 696 715 754 780 858 870 880 957 1040 1131 1144 1160 1276 1320 1392 1430 1508 1560 1595 1716 1740 1885 1914 2145 2262 2288 2320 2552 2640 2860 3016 3120 3190 3432 3480 3770 3828 4147 4290 4524 4785 5104 5655 5720 6032 6380 6864 6960 7540 7656 8294 8580 9048 9570 11310 11440 12441 12760 15080 15312 16588 17160 18096 19140 20735 22620 24882 25520 30160 33176 34320 38280 41470 45240 49764 62205 66352 76560 82940 90480 99528 124410 165880 199056 248820 331760 497640 995280