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234220 = 22572239
BaseRepresentation
bin111001001011101100
3102220021211
4321023230
524443340
65004204
71663600
oct711354
9386254
10234220
1114aa78
12b3664
13827bc
1461500
15495ea
hex392ec

234220 has 36 divisors (see below), whose sum is σ = 574560. Its totient is φ = 79968.

The previous prime is 234217. The next prime is 234239. The reversal of 234220 is 22432.

It is a self number, because there is not a number n which added to its sum of digits gives 234220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 861 + ... + 1099.

It is an arithmetic number, because the mean of its divisors is an integer number (15960).

2234220 is an apocalyptic number.

234220 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 234220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287280).

234220 is an abundant number, since it is smaller than the sum of its proper divisors (340340).

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

234220 is a wasteful number, since it uses less digits than its factorization.

234220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 234220 is about 483.9628084884. The cubic root of 234220 is about 61.6417072922.

Adding to 234220 its reverse (22432), we get a palindrome (256652).

It can be divided in two parts, 234 and 220, that added together give a palindrome (454).

The spelling of 234220 in words is "two hundred thirty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 239 245 478 490 956 980 1195 1673 2390 3346 4780 6692 8365 11711 16730 23422 33460 46844 58555 117110 234220