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230201403 = 31743104971
BaseRepresentation
bin11011011100010…
…01100000111011
3121001011102221220
431232021200323
5432412421103
634502003123
75463452055
oct1556114073
9531142856
10230201403
11108a407a3
12651164a3
13388ccb63
14228048d5
1515322c53
hexdb8983b

230201403 has 16 divisors (see below), whose sum is σ = 332551296. Its totient is φ = 141079680.

The previous prime is 230201401. The next prime is 230201417. The reversal of 230201403 is 304102032.

It is not a de Polignac number, because 230201403 - 21 = 230201401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230201401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50293 + ... + 54678.

It is an arithmetic number, because the mean of its divisors is an integer number (20784456).

Almost surely, 2230201403 is an apocalyptic number.

230201403 is a deficient number, since it is larger than the sum of its proper divisors (102349893).

230201403 is a wasteful number, since it uses less digits than its factorization.

230201403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105034.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 230201403 is about 15172.3894953959. The cubic root of 230201403 is about 612.8713532043.

Adding to 230201403 its reverse (304102032), we get a palindrome (534303435).

The spelling of 230201403 in words is "two hundred thirty million, two hundred one thousand, four hundred three".

Divisors: 1 3 17 43 51 129 731 2193 104971 314913 1784507 4513753 5353521 13541259 76733801 230201403