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12302001 = 321366889
BaseRepresentation
bin101110111011…
…011010110001
3212011000011200
4232323122301
511122131001
61115401413
7206364615
oct56733261
925130150
1012302001
116a42748
124153269
1327195ba
1418c3345
151130086
hexbbb6b1

12302001 has 6 divisors (see below), whose sum is σ = 17769570. Its totient is φ = 8201328.

The previous prime is 12301969. The next prime is 12302023. The reversal of 12302001 is 10020321.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6426225 + 5875776 = 2535^2 + 2424^2 .

It is not a de Polignac number, because 12302001 - 25 = 12301969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1366889 = 12302001 / (1 + 2 + 3 + 0 + 2 + 0 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (12302051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 683436 + ... + 683453.

It is an arithmetic number, because the mean of its divisors is an integer number (2961595).

Almost surely, 212302001 is an apocalyptic number.

It is an amenable number.

12302001 is a deficient number, since it is larger than the sum of its proper divisors (5467569).

12302001 is a wasteful number, since it uses less digits than its factorization.

12302001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366895 (or 1366892 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 12302001 is about 3507.4208472894. The cubic root of 12302001 is about 230.8475409357.

Adding to 12302001 its reverse (10020321), we get a palindrome (22322322).

The spelling of 12302001 in words is "twelve million, three hundred two thousand, one".

Divisors: 1 3 9 1366889 4100667 12302001