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12802083 = 372731193
BaseRepresentation
bin110000110101…
…100000100011
3220002102011020
4300311200203
511234131313
61134220523
7213546600
oct60654043
926072136
1012802083
117254438
124354743
1328630c8
1419b36a7
1511cd323
hexc35823

12802083 has 24 divisors (see below), whose sum is σ = 20145168. Its totient is φ = 7209216.

The previous prime is 12802073. The next prime is 12802091. The reversal of 12802083 is 38020821.

It is a Cunningham number, because it is equal to 35782-1.

It is not a de Polignac number, because 12802083 - 29 = 12801571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12802033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10135 + ... + 11327.

It is an arithmetic number, because the mean of its divisors is an integer number (839382).

Almost surely, 212802083 is an apocalyptic number.

12802083 is a deficient number, since it is larger than the sum of its proper divisors (7343085).

12802083 is a wasteful number, since it uses less digits than its factorization.

12802083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283 (or 1276 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 12802083 is about 3577.9998602571. Note that the first 3 decimals coincide. The cubic root of 12802083 is about 233.9341073874.

The spelling of 12802083 in words is "twelve million, eight hundred two thousand, eighty-three".

Divisors: 1 3 7 21 49 73 147 219 511 1193 1533 3577 3579 8351 10731 25053 58457 87089 175371 261267 609623 1828869 4267361 12802083