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27000000 = 263356
BaseRepresentation
bin110011011111…
…1110011000000
31212210202001000
41212333303000
523403000000
62402412000
7445332126
oct146776300
955722030
1027000000
1114271555
129061000
135794641
14382b916
152585000
hex19bfcc0

27000000 has 196 divisors, whose sum is σ = 99217480. Its totient is φ = 7200000.

The previous prime is 26999981. The next prime is 27000011. The reversal of 27000000 is 72.

Adding to 27000000 its reverse (72), we get a palindrome (27000072).

The cubic root of 27000000 is 300.

It is a perfect power (a cube), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 5399998 + ... + 5400002.

Almost surely, 227000000 is an apocalyptic number.

27000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49608740).

27000000 is an abundant number, since it is smaller than the sum of its proper divisors (72217480).

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

27000000 is an frugal number, since it uses more digits than its factorization.

27000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51 (or 10 counting only the distinct ones).

The product of its (nonzero) digits is 14, while the sum is 9.

The square root of 27000000 is about 5196.1524227066.

The spelling of 27000000 in words is "twenty-seven million", and thus it is an aban number and an uban number.