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27147020 = 2251357351
BaseRepresentation
bin110011110001…
…1101100001100
31220002012201012
41213203230030
523422201040
62405504352
7446513555
oct147435414
956065635
1027147020
1114361a5a
1291120b8
135816534
14386932c
1525b3865
hex19e3b0c

27147020 has 12 divisors (see below), whose sum is σ = 57008784. Its totient is φ = 10858800.

The previous prime is 27146981. The next prime is 27147031. The reversal of 27147020 is 2074172.

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 3 ways as a sum of consecutive naturals, for example, 678656 + ... + 678695.

It is an arithmetic number, because the mean of its divisors is an integer number (4750732).

Almost surely, 227147020 is an apocalyptic number.

27147020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27147020 is an abundant number, since it is smaller than the sum of its proper divisors (29861764).

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

27147020 is a wasteful number, since it uses less digits than its factorization.

27147020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357360 (or 1357358 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 27147020 is about 5210.2802227903. The cubic root of 27147020 is about 300.5435331628.

The spelling of 27147020 in words is "twenty-seven million, one hundred forty-seven thousand, twenty".

Divisors: 1 2 4 5 10 20 1357351 2714702 5429404 6786755 13573510 27147020