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12182053 = 138910529
BaseRepresentation
bin101110011110…
…001000100101
3211220220122011
4232132020211
511104311203
61113034221
7205355122
oct56361045
924826564
1012182053
116970614
1240b5971
1326a6b20
141891749
15110976d
hexb9e225

12182053 has 8 divisors (see below), whose sum is σ = 13267800. Its totient is φ = 11117568.

The previous prime is 12182041. The next prime is 12182063. The reversal of 12182053 is 35028121.

12182053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 471969 + 11710084 = 687^2 + 3422^2 .

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 12182053 - 221 = 10084901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12182003) 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, 4108 + ... + 6421.

It is an arithmetic number, because the mean of its divisors is an integer number (1658475).

Almost surely, 212182053 is an apocalyptic number.

12182053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12182053 is a deficient number, since it is larger than the sum of its proper divisors (1085747).

12182053 is a wasteful number, since it uses less digits than its factorization.

12182053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10631.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 12182053 is about 3490.2797882118. The cubic root of 12182053 is about 230.0948128318.

The spelling of 12182053 in words is "twelve million, one hundred eighty-two thousand, fifty-three".

Divisors: 1 13 89 1157 10529 136877 937081 12182053