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320122230 = 23595311197
BaseRepresentation
bin10011000101001…
…010110101110110
3211022100220010220
4103011022311312
51123422402410
651433155210
710634664651
oct2305126566
9738326126
10320122230
1115477862a
128b25bb06
1351424a4c
1430730898
151d186070
hex1314ad76

320122230 has 32 divisors (see below), whose sum is σ = 769168224. Its totient is φ = 85268736.

The previous prime is 320122207. The next prime is 320122247. The reversal of 320122230 is 32221023.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22992 + ... + 34188.

It is an arithmetic number, because the mean of its divisors is an integer number (24036507).

Almost surely, 2320122230 is an apocalyptic number.

320122230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

320122230 is an abundant number, since it is smaller than the sum of its proper divisors (449045994).

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

320122230 is a wasteful number, since it uses less digits than its factorization.

320122230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12160.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 320122230 is about 17891.9599261791. The cubic root of 320122230 is about 684.0774552348.

Adding to 320122230 its reverse (32221023), we get a palindrome (352343253).

The spelling of 320122230 in words is "three hundred twenty million, one hundred twenty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 953 1906 2859 4765 5718 9530 11197 14295 22394 28590 33591 55985 67182 111970 167955 335910 10670741 21341482 32012223 53353705 64024446 106707410 160061115 320122230