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12430385 = 511226007
BaseRepresentation
bin101111011010…
…110000110001
3212101112021122
4233122300301
511140233020
61122232025
7210441122
oct57326061
925345248
1012430385
117020150
1241b5615
132762b76
141918049
151158125
hexbdac31

12430385 has 8 divisors (see below), whose sum is σ = 16272576. Its totient is φ = 9040240.

The previous prime is 12430361. The next prime is 12430387. The reversal of 12430385 is 58303421.

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

It is not a de Polignac number, because 12430385 - 26 = 12430321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12430387) 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 7 ways as a sum of consecutive naturals, for example, 112949 + ... + 113058.

It is an arithmetic number, because the mean of its divisors is an integer number (2034072).

Almost surely, 212430385 is an apocalyptic number.

It is an amenable number.

12430385 is a deficient number, since it is larger than the sum of its proper divisors (3842191).

12430385 is a wasteful number, since it uses less digits than its factorization.

12430385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226023.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 12430385 is about 3525.6751126557. The cubic root of 12430385 is about 231.6478071243.

The spelling of 12430385 in words is "twelve million, four hundred thirty thousand, three hundred eighty-five".

Divisors: 1 5 11 55 226007 1130035 2486077 12430385