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682904061 = 33719210009
BaseRepresentation
bin101000101101000…
…100100111111101
31202121000010021000
4220231010213331
52344310412221
6151433000513
722631405640
oct5055044775
91677003230
10682904061
11320532a24
12170853139
13ab634a58
14669a7a57
153ee46e26
hex28b449fd

682904061 has 48 divisors (see below), whose sum is σ = 1220419200. Its totient is φ = 369655488.

The previous prime is 682904041. The next prime is 682904119. The reversal of 682904061 is 160409286.

It is not a de Polignac number, because 682904061 - 27 = 682903933 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682904041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63225 + ... + 73233.

It is an arithmetic number, because the mean of its divisors is an integer number (25425400).

Almost surely, 2682904061 is an apocalyptic number.

It is an amenable number.

682904061 is a deficient number, since it is larger than the sum of its proper divisors (537515139).

682904061 is a wasteful number, since it uses less digits than its factorization.

682904061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10063 (or 10038 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 682904061 is about 26132.4331243763. The cubic root of 682904061 is about 880.6159861602.

The spelling of 682904061 in words is "six hundred eighty-two million, nine hundred four thousand, sixty-one".

Divisors: 1 3 7 9 19 21 27 57 63 133 171 189 361 399 513 1083 1197 2527 3249 3591 7581 9747 10009 22743 30027 68229 70063 90081 190171 210189 270243 570513 630567 1331197 1711539 1891701 3613249 3993591 5134617 10839747 11980773 25292743 32519241 35942319 75878229 97557723 227634687 682904061