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13230434 = 27945031
BaseRepresentation
bin110010011110…
…000101100010
3220220011202002
4302132011202
511341333214
61151324002
7220312460
oct62360542
926804662
1013230434
117517248
124520602
132983079
141a85830
1512651de
hexc9e162

13230434 has 8 divisors (see below), whose sum is σ = 22680768. Its totient is φ = 5670180.

The previous prime is 13230419. The next prime is 13230457. The reversal of 13230434 is 43403231.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472502 + ... + 472529.

It is an arithmetic number, because the mean of its divisors is an integer number (2835096).

Almost surely, 213230434 is an apocalyptic number.

13230434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13230434 is a deficient number, since it is larger than the sum of its proper divisors (9450334).

13230434 is an equidigital number, since it uses as much as digits as its factorization.

13230434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945040.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 13230434 is about 3637.3663549332. The cubic root of 13230434 is about 236.5146410637.

Adding to 13230434 its reverse (43403231), we get a palindrome (56633665).

The spelling of 13230434 in words is "thirteen million, two hundred thirty thousand, four hundred thirty-four".

Divisors: 1 2 7 14 945031 1890062 6615217 13230434