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232102013 = 11131623091
BaseRepresentation
bin11011101010110…
…01100001111101
3121011202000002212
431311121201331
5433404231023
635010430205
75515556153
oct1565314175
9534660085
10232102013
1110a019750
1265892365
1339116c90
1422b7b3d3
151559ae78
hexdd5987d

232102013 has 8 divisors (see below), whose sum is σ = 272679456. Its totient is φ = 194770800.

The previous prime is 232102009. The next prime is 232102067. The reversal of 232102013 is 310201232.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 232102013 - 22 = 232102009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232102313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 811403 + ... + 811688.

It is an arithmetic number, because the mean of its divisors is an integer number (34084932).

Almost surely, 2232102013 is an apocalyptic number.

It is an amenable number.

232102013 is a deficient number, since it is larger than the sum of its proper divisors (40577443).

232102013 is a wasteful number, since it uses less digits than its factorization.

232102013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623115.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 232102013 is about 15234.8945844728. The cubic root of 232102013 is about 614.5534140826.

Adding to 232102013 its reverse (310201232), we get a palindrome (542303245).

The spelling of 232102013 in words is "two hundred thirty-two million, one hundred two thousand, thirteen".

Divisors: 1 11 13 143 1623091 17854001 21100183 232102013