Search a number
-
+
495880 = 235721123
BaseRepresentation
bin1111001000100001000
3221012012221
41321010020
5111332010
614343424
74133500
oct1710410
9835187
10495880
11309620
121bab74
13144928
14cca00
159bdda
hex79108

495880 has 96 divisors (see below), whose sum is σ = 1477440. Its totient is φ = 147840.

The previous prime is 495877. The next prime is 495893. The reversal of 495880 is 88594.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21549 + ... + 21571.

It is an arithmetic number, because the mean of its divisors is an integer number (15390).

2495880 is an apocalyptic number.

495880 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 495880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (738720).

495880 is an abundant number, since it is smaller than the sum of its proper divisors (981560).

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

495880 is a wasteful number, since it uses less digits than its factorization.

495880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 495880 is about 704.1874750377. The cubic root of 495880 is about 79.1514479826.

It can be divided in two parts, 495 and 880, that multiplied together give a square (435600 = 6602).

The spelling of 495880 in words is "four hundred ninety-five thousand, eight hundred eighty".

Divisors: 1 2 4 5 7 8 10 11 14 20 22 23 28 35 40 44 46 49 55 56 70 77 88 92 98 110 115 140 154 161 184 196 220 230 245 253 280 308 322 385 392 440 460 490 506 539 616 644 770 805 920 980 1012 1078 1127 1265 1288 1540 1610 1771 1960 2024 2156 2254 2530 2695 3080 3220 3542 4312 4508 5060 5390 5635 6440 7084 8855 9016 10120 10780 11270 12397 14168 17710 21560 22540 24794 35420 45080 49588 61985 70840 99176 123970 247940 495880