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320500230 = 23510683341
BaseRepresentation
bin10011000110100…
…111001000000110
3211100002002122220
4103012213020012
51124022001410
651445233210
710641131001
oct2306471006
9740062586
10320500230
11154a06626
128b402806
1351527b0b
14307cc538
151d20d070
hex131a7206

320500230 has 16 divisors (see below), whose sum is σ = 769200624. Its totient is φ = 85466720.

The previous prime is 320500181. The next prime is 320500231. The reversal of 320500230 is 32005023.

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 not an unprimeable number, because it can be changed into a prime (320500231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5341641 + ... + 5341700.

It is an arithmetic number, because the mean of its divisors is an integer number (48075039).

Almost surely, 2320500230 is an apocalyptic number.

320500230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

320500230 is an abundant number, since it is smaller than the sum of its proper divisors (448700394).

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

320500230 is a wasteful number, since it uses less digits than its factorization.

320500230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10683351.

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 320500230 is about 17902.5202136459. The cubic root of 320500230 is about 684.3466019784.

Adding to 320500230 its reverse (32005023), we get a palindrome (352505253).

The spelling of 320500230 in words is "three hundred twenty million, five hundred thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 10683341 21366682 32050023 53416705 64100046 106833410 160250115 320500230