Search a number
-
+
203200023 = 3132457877
BaseRepresentation
bin11000001110010…
…01011000010111
3112011100122000210
430013021120113
5404004400043
632055140503
75015112615
oct1407113027
9464318023
10203200023
11a4779204
1258074733
1333137a00
141cdb66b5
1512c8c633
hexc1c9617

203200023 has 24 divisors (see below), whose sum is σ = 294354768. Its totient is φ = 124630272.

The previous prime is 203200001. The next prime is 203200027. The reversal of 203200023 is 320002302.

It is not a de Polignac number, because 203200023 - 25 = 203199991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203199981 and 203200008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203200027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 231261 + ... + 232137.

It is an arithmetic number, because the mean of its divisors is an integer number (12264782).

Almost surely, 2203200023 is an apocalyptic number.

203200023 is a deficient number, since it is larger than the sum of its proper divisors (91154745).

203200023 is a wasteful number, since it uses less digits than its factorization.

203200023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363 (or 1350 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 203200023 is about 14254.8245517088. The cubic root of 203200023 is about 587.9060339687.

Adding to 203200023 its reverse (320002302), we get a palindrome (523202325).

The spelling of 203200023 in words is "two hundred three million, two hundred thousand, twenty-three".

Divisors: 1 3 13 39 169 457 507 877 1371 2631 5941 11401 17823 34203 77233 148213 231699 400789 444639 1202367 5210257 15630771 67733341 203200023