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12830183 = 179229313
BaseRepresentation
bin110000111100…
…010111100111
3220010211200222
4300330113213
511241031213
61134554555
7214024532
oct60742747
926124628
1012830183
117273563
124368a5b
132872b32
1419bda19
1511d6808
hexc3c5e7

12830183 has 8 divisors (see below), whose sum is σ = 12999600. Its totient is φ = 12662208.

The previous prime is 12830173. The next prime is 12830203. The reversal of 12830183 is 38103821.

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 12830183 - 26 = 12830119 is a prime.

It is a super-2 number, since 2×128301832 = 329227191626978, 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 (12830143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40835 + ... + 41147.

It is an arithmetic number, because the mean of its divisors is an integer number (1624950).

Almost surely, 212830183 is an apocalyptic number.

12830183 is a deficient number, since it is larger than the sum of its proper divisors (169417).

12830183 is a wasteful number, since it uses less digits than its factorization.

12830183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 12830183 is about 3581.9244827327. The cubic root of 12830183 is about 234.1051406150.

The spelling of 12830183 in words is "twelve million, eight hundred thirty thousand, one hundred eighty-three".

Divisors: 1 179 229 313 40991 56027 71677 12830183