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320210130 = 235171394517
BaseRepresentation
bin10011000101100…
…000010011010010
3211022112100201110
4103011200103102
51123433211010
651435114150
710635512142
oct2305402322
9738470643
10320210130
11154828679
128b2a2956
1351455a66
1430754922
151d1a2120
hex131604d2

320210130 has 64 divisors (see below), whose sum is σ = 819745920. Its totient is φ = 79770624.

The previous prime is 320210081. The next prime is 320210131. The reversal of 320210130 is 31012023.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (320210131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68632 + ... + 73148.

It is an arithmetic number, because the mean of its divisors is an integer number (12808530).

Almost surely, 2320210130 is an apocalyptic number.

320210130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 320210130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409872960).

320210130 is an abundant number, since it is smaller than the sum of its proper divisors (499535790).

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

320210130 is a wasteful number, since it uses less digits than its factorization.

320210130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4683.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 320210130 is about 17894.4161681794. The cubic root of 320210130 is about 684.1400614311.

Adding to 320210130 its reverse (31012023), we get a palindrome (351222153).

The spelling of 320210130 in words is "three hundred twenty million, two hundred ten thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 139 170 255 278 417 510 695 834 1390 2085 2363 4170 4517 4726 7089 9034 11815 13551 14178 22585 23630 27102 35445 45170 67755 70890 76789 135510 153578 230367 383945 460734 627863 767890 1151835 1255726 1883589 2303670 3139315 3767178 6278630 9417945 10673671 18835890 21347342 32021013 53368355 64042026 106736710 160105065 320210130