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12302943 = 35377377
BaseRepresentation
bin101110111011…
…101001011111
3212011001110120
4232323221133
511122143233
61115410023
7206400432
oct56735137
925131416
1012302943
116a43424
124153913
132719b63
1418c3819
1511304b3
hexbbba5f

12302943 has 8 divisors (see below), whose sum is σ = 16713648. Its totient is φ = 8047104.

The previous prime is 12302921. The next prime is 12302947. The reversal of 12302943 is 34920321.

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

It is not a de Polignac number, because 12302943 - 29 = 12302431 is a prime.

It is a super-2 number, since 2×123029432 = 302724812922498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12302947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38530 + ... + 38847.

It is an arithmetic number, because the mean of its divisors is an integer number (2089206).

Almost surely, 212302943 is an apocalyptic number.

12302943 is a deficient number, since it is larger than the sum of its proper divisors (4410705).

12302943 is an equidigital number, since it uses as much as digits as its factorization.

12302943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77433.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 12302943 is about 3507.5551314270. Note that the first 3 decimals coincide. The cubic root of 12302943 is about 230.8534330079.

The spelling of 12302943 in words is "twelve million, three hundred two thousand, nine hundred forty-three".

Divisors: 1 3 53 159 77377 232131 4100981 12302943