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27051400 = 2352135257
BaseRepresentation
bin110011100110…
…0010110001000
31212220100112201
41213030112020
523411121100
62403445544
7445635025
oct147142610
955810481
1027051400
11142a7132
1290868b4
1357b1b5c
14384254c
15259536a
hex19cc588

27051400 has 24 divisors (see below), whose sum is σ = 62894970. Its totient is φ = 10820480.

The previous prime is 27051377. The next prime is 27051407. The reversal of 27051400 is 415072.

It can be written as a sum of positive squares in 3 ways, for example, as 21659716 + 5391684 = 4654^2 + 2322^2 .

It is not an unprimeable number, because it can be changed into a prime (27051407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67429 + ... + 67828.

Almost surely, 227051400 is an apocalyptic number.

27051400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27051400 is an abundant number, since it is smaller than the sum of its proper divisors (35843570).

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

27051400 is a wasteful number, since it uses less digits than its factorization.

27051400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135273 (or 135264 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 27051400 is about 5201.0960383365. The cubic root of 27051400 is about 300.1902496950.

Adding to 27051400 its reverse (415072), we get a palindrome (27466472).

The spelling of 27051400 in words is "twenty-seven million, fifty-one thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 135257 270514 541028 676285 1082056 1352570 2705140 3381425 5410280 6762850 13525700 27051400