Search a number
-
+
12417031 = 111128821
BaseRepresentation
bin101111010111…
…100000000111
3212100211222001
4233113200013
511134321111
61122050131
7210354154
oct57274007
925324861
1012417031
117011110
1241a9947
132759a73
14191322b
1511541c1
hexbd7807

12417031 has 4 divisors (see below), whose sum is σ = 13545864. Its totient is φ = 11288200.

The previous prime is 12417007. The next prime is 12417037. The reversal of 12417031 is 13071421.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2k-12417031 is a prime.

It is a super-2 number, since 2×124170312 = 308365317709922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12417037) 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 3 ways as a sum of consecutive naturals, for example, 564400 + ... + 564421.

It is an arithmetic number, because the mean of its divisors is an integer number (3386466).

Almost surely, 212417031 is an apocalyptic number.

12417031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12417031 is a deficient number, since it is larger than the sum of its proper divisors (1128833).

12417031 is a wasteful number, since it uses less digits than its factorization.

12417031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128832.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 12417031 is about 3523.7807820578. The cubic root of 12417031 is about 231.5648240888.

Adding to 12417031 its reverse (13071421), we get a palindrome (25488452).

The spelling of 12417031 in words is "twelve million, four hundred seventeen thousand, thirty-one".

Divisors: 1 11 1128821 12417031