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230636403 = 35949121
BaseRepresentation
bin11011011111100…
…11101101110011
3121001222112200000
431233303231303
5433020331103
634515201043
75500243224
oct1557635563
9531875600
10230636403
111092085a8
12652a6183
1338a22b5a
14228b924b
15153abaa3
hexdbf3b73

230636403 has 12 divisors (see below), whose sum is σ = 345480408. Its totient is φ = 153757440.

The previous prime is 230636401. The next prime is 230636411. The reversal of 230636403 is 304636032.

230636403 is a `hidden beast` number, since 23 + 0 + 636 + 4 + 0 + 3 = 666.

It is not a de Polignac number, because 230636403 - 21 = 230636401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (230636401) 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, 474318 + ... + 474803.

It is an arithmetic number, because the mean of its divisors is an integer number (28790034).

Almost surely, 2230636403 is an apocalyptic number.

230636403 is a deficient number, since it is larger than the sum of its proper divisors (114844005).

230636403 is an frugal number, since it uses more digits than its factorization.

230636403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949136 (or 949124 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

The square root of 230636403 is about 15186.7179798665. The cubic root of 230636403 is about 613.2571476796.

The spelling of 230636403 in words is "two hundred thirty million, six hundred thirty-six thousand, four hundred three".

Divisors: 1 3 9 27 81 243 949121 2847363 8542089 25626267 76878801 230636403