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13230342 = 232735019
BaseRepresentation
bin110010011110…
…000100000110
3220220011121200
4302132010012
511341332332
61151323330
7220312266
oct62360406
926804550
1013230342
117517174
124520546
132983008
141a857a6
15126517c
hexc9e106

13230342 has 12 divisors (see below), whose sum is σ = 28665780. Its totient is φ = 4410108.

The previous prime is 13230341. The next prime is 13230361. The reversal of 13230342 is 24303231.

13230342 is a `hidden beast` number, since 1 + 323 + 0 + 342 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 735019 = 13230342 / (1 + 3 + 2 + 3 + 0 + 3 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13230341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 367492 + ... + 367527.

It is an arithmetic number, because the mean of its divisors is an integer number (2388815).

Almost surely, 213230342 is an apocalyptic number.

13230342 is an abundant number, since it is smaller than the sum of its proper divisors (15435438).

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

13230342 is a wasteful number, since it uses less digits than its factorization.

13230342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735027 (or 735024 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 13230342 is about 3637.3537083985. The cubic root of 13230342 is about 236.5140928480.

Adding to 13230342 its reverse (24303231), we get a palindrome (37533573).

The spelling of 13230342 in words is "thirteen million, two hundred thirty thousand, three hundred forty-two".

Divisors: 1 2 3 6 9 18 735019 1470038 2205057 4410114 6615171 13230342