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27885116 = 2272142271
BaseRepresentation
bin110101001011…
…1111000111100
31221110201012002
41222113320330
524114310431
62433401432
7456006500
oct152277074
957421162
1027885116
1114816556
129409278
135a1448c
1439bc300
1526ac3cb
hex1a97e3c

27885116 has 18 divisors (see below), whose sum is σ = 56766528. Its totient is φ = 11950680.

The previous prime is 27885097. The next prime is 27885119. The reversal of 27885116 is 61158872.

It is a self number, because there is not a number n which added to its sum of digits gives 27885116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27885119) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70940 + ... + 71331.

It is an arithmetic number, because the mean of its divisors is an integer number (3153696).

Almost surely, 227885116 is an apocalyptic number.

It is an amenable number.

27885116 is an abundant number, since it is smaller than the sum of its proper divisors (28881412).

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

27885116 is a wasteful number, since it uses less digits than its factorization.

27885116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142289 (or 142280 counting only the distinct ones).

The product of its digits is 26880, while the sum is 38.

The square root of 27885116 is about 5280.6359465504. The cubic root of 27885116 is about 303.2430237399.

The spelling of 27885116 in words is "twenty-seven million, eight hundred eighty-five thousand, one hundred sixteen".

Divisors: 1 2 4 7 14 28 49 98 196 142271 284542 569084 995897 1991794 3983588 6971279 13942558 27885116