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332220 = 223572113
BaseRepresentation
bin1010001000110111100
3121212201110
41101012330
541112340
611042020
72552400
oct1210674
9555643
10332220
11207669
12140310
13b82a5
1489100
1568680
hex511bc

332220 has 72 divisors (see below), whose sum is σ = 1091664. Its totient is φ = 75264.

The previous prime is 332219. The next prime is 332221. The reversal of 332220 is 22233.

It is an interprime number because it is at equal distance from previous prime (332219) and next prime (332221).

It is a super-2 number, since 2×3322202 = 220740256800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 332196 and 332205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332221) 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, 2884 + ... + 2996.

It is an arithmetic number, because the mean of its divisors is an integer number (15162).

2332220 is an apocalyptic number.

332220 is a gapful number since it is divisible by the number (30) 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 332220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (545832).

332220 is an abundant number, since it is smaller than the sum of its proper divisors (759444).

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

332220 is a wasteful number, since it uses less digits than its factorization.

332220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 332220 is about 576.3852878067. The cubic root of 332220 is about 69.2588471105.

Adding to 332220 its reverse (22233), we get a palindrome (354453).

It can be divided in two parts, 3 and 32220, that added together give a palindrome (32223).

The spelling of 332220 in words is "three hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 84 98 105 113 140 147 196 210 226 245 294 339 420 452 490 565 588 678 735 791 980 1130 1356 1470 1582 1695 2260 2373 2940 3164 3390 3955 4746 5537 6780 7910 9492 11074 11865 15820 16611 22148 23730 27685 33222 47460 55370 66444 83055 110740 166110 332220