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320232230 = 25172110807
BaseRepresentation
bin10011000101100…
…101101100100110
3211022120111000222
4103011211230212
51123434412410
651435404342
710635633443
oct2305455446
9738514028
10320232230
1115484323a
128b2b36b2
1351462b36
143075c9ca
151d1a8955
hex13165b26

320232230 has 24 divisors (see below), whose sum is σ = 612325008. Its totient is φ = 120556928.

The previous prime is 320232229. The next prime is 320232233. The reversal of 320232230 is 32232023.

It is a super-2 number, since 2×3202322302 = 205097362261545800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 320232199 and 320232208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320232233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52514 + ... + 58293.

It is an arithmetic number, because the mean of its divisors is an integer number (25513542).

Almost surely, 2320232230 is an apocalyptic number.

320232230 is a deficient number, since it is larger than the sum of its proper divisors (292092778).

320232230 is a wasteful number, since it uses less digits than its factorization.

320232230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110848 (or 110831 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 320232230 is about 17895.0336685908. The cubic root of 320232230 is about 684.1558002082.

Adding to 320232230 its reverse (32232023), we get a palindrome (352464253).

The spelling of 320232230 in words is "three hundred twenty million, two hundred thirty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 289 578 1445 2890 110807 221614 554035 1108070 1883719 3767438 9418595 18837190 32023223 64046446 160116115 320232230