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27944856 = 23321932011
BaseRepresentation
bin110101010011…
…0011110011000
31221120202010200
41222212132120
524123213411
62434542200
7456345612
oct152463630
957522120
1027944856
1114857425
129437960
135a35724
1439d5db2
1526bee56
hex1aa6798

27944856 has 48 divisors (see below), whose sum is σ = 76113960. Its totient is φ = 9262080.

The previous prime is 27944783. The next prime is 27944867. The reversal of 27944856 is 65844972.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12891 + ... + 14901.

Almost surely, 227944856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27944856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38056980).

27944856 is an abundant number, since it is smaller than the sum of its proper divisors (48169104).

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

27944856 is a wasteful number, since it uses less digits than its factorization.

27944856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216 (or 2209 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 27944856 is about 5286.2894358898. The cubic root of 27944856 is about 303.4594213430.

The spelling of 27944856 in words is "twenty-seven million, nine hundred forty-four thousand, eight hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 193 386 579 772 1158 1544 1737 2011 2316 3474 4022 4632 6033 6948 8044 12066 13896 16088 18099 24132 36198 48264 72396 144792 388123 776246 1164369 1552492 2328738 3104984 3493107 4657476 6986214 9314952 13972428 27944856