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230633320 = 2355765833
BaseRepresentation
bin11011011111100…
…10111101101000
3121001222101102211
431233302331220
5433020231240
634515134504
75500231231
oct1557627550
9531871384
10230633320
11109206255
12652a4434
1338a21628
14228b8088
15153aabea
hexdbf2f68

230633320 has 16 divisors (see below), whose sum is σ = 518925060. Its totient is φ = 92253312.

The previous prime is 230633303. The next prime is 230633357. The reversal of 230633320 is 23336032.

It can be written as a sum of positive squares in 2 ways, for example, as 198302724 + 32330596 = 14082^2 + 5686^2 .

It is a junction number, because it is equal to n+sod(n) for n = 230633291 and 230633300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2882877 + ... + 2882956.

Almost surely, 2230633320 is an apocalyptic number.

230633320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230633320 is an abundant number, since it is smaller than the sum of its proper divisors (288291740).

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

230633320 is a wasteful number, since it uses less digits than its factorization.

230633320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5765844 (or 5765840 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

The square root of 230633320 is about 15186.6164763584. The cubic root of 230633320 is about 613.2544151243.

Adding to 230633320 its reverse (23336032), we get a palindrome (253969352).

The spelling of 230633320 in words is "two hundred thirty million, six hundred thirty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 5765833 11531666 23063332 28829165 46126664 57658330 115316660 230633320