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320332030 = 25731373203
BaseRepresentation
bin10011000101111…
…110000011111110
3211022202112221021
4103011332003332
51124001111110
651441454354
710636530424
oct2305760376
9738675837
10320332030
11154901217
128b3413ba
13514993a5
1430787114
151d1c82da
hex1317e0fe

320332030 has 32 divisors (see below), whose sum is σ = 588946464. Its totient is φ = 125415936.

The previous prime is 320331961. The next prime is 320332043. The reversal of 320332030 is 30233023.

It is a happy number.

It is a super-2 number, since 2×3203320302 = 205225218887841800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320331995 and 320332013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98409 + ... + 101611.

It is an arithmetic number, because the mean of its divisors is an integer number (18404577).

Almost surely, 2320332030 is an apocalyptic number.

320332030 is a deficient number, since it is larger than the sum of its proper divisors (268614434).

320332030 is a wasteful number, since it uses less digits than its factorization.

320332030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3420.

The product of its (nonzero) digits is 324, while the sum is 16.

The square root of 320332030 is about 17897.8219345260. The cubic root of 320332030 is about 684.2268649446.

Adding to 320332030 its reverse (30233023), we get a palindrome (350565053).

The spelling of 320332030 in words is "three hundred twenty million, three hundred thirty-two thousand, thirty".

Divisors: 1 2 5 10 73 137 146 274 365 685 730 1370 3203 6406 10001 16015 20002 32030 50005 100010 233819 438811 467638 877622 1169095 2194055 2338190 4388110 32033203 64066406 160166015 320332030