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27050820 = 2235450847
BaseRepresentation
bin110011100110…
…0001101000100
31212220022202020
41213030031010
523411111240
62403443140
7445633236
oct147141504
955808666
1027050820
11142a6755
1290864b0
1357b1804
143842256
1525950d0
hex19cc344

27050820 has 24 divisors (see below), whose sum is σ = 75742464. Its totient is φ = 7213536.

The previous prime is 27050819. The next prime is 27050831. The reversal of 27050820 is 2805072.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 225364 + ... + 225483.

It is an arithmetic number, because the mean of its divisors is an integer number (3155936).

Almost surely, 227050820 is an apocalyptic number.

27050820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27050820 is an abundant number, since it is smaller than the sum of its proper divisors (48691644).

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

27050820 is a wasteful number, since it uses less digits than its factorization.

27050820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450859 (or 450857 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 27050820 is about 5201.0402805593. The cubic root of 27050820 is about 300.1881042535.

Adding to 27050820 its reverse (2805072), we get a palindrome (29855892).

The spelling of 27050820 in words is "twenty-seven million, fifty thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 450847 901694 1352541 1803388 2254235 2705082 4508470 5410164 6762705 9016940 13525410 27050820