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27842928 = 2432512311
BaseRepresentation
bin110101000110…
…1100101110000
31221101120022120
41222031211300
524111433203
62432434240
7455442501
oct152154560
957346276
1027842928
1114797893
1293a8980
1359cb209
1439aaba8
15269eb53
hex1a8d970

27842928 has 40 divisors (see below), whose sum is σ = 72245376. Its totient is φ = 9240000.

The previous prime is 27842917. The next prime is 27842953. The reversal of 27842928 is 82924872.

It is a super-2 number, since 2×278429282 = 1550457279226368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27842928.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10893 + ... + 13203.

Almost surely, 227842928 is an apocalyptic number.

It is an amenable number.

27842928 is an abundant number, since it is smaller than the sum of its proper divisors (44402448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27842928 is a wasteful number, since it uses less digits than its factorization.

27842928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2573 (or 2567 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 27842928 is about 5276.6398398981. The cubic root of 27842928 is about 303.0900188917.

The spelling of 27842928 in words is "twenty-seven million, eight hundred forty-two thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 251 502 753 1004 1506 2008 2311 3012 4016 4622 6024 6933 9244 12048 13866 18488 27732 36976 55464 110928 580061 1160122 1740183 2320244 3480366 4640488 6960732 9280976 13921464 27842928