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27430075 = 521097203
BaseRepresentation
bin110100010100…
…0110010111011
31220121120222201
41220220302323
524010230300
62415531031
7452103031
oct150506273
956546881
1027430075
1114535692
129229a77
1358b531a
143900551
15261c66a
hex1a28cbb

27430075 has 6 divisors (see below), whose sum is σ = 34013324. Its totient is φ = 21944040.

The previous prime is 27430063. The next prime is 27430079. The reversal of 27430075 is 57003472.

It is not a de Polignac number, because 27430075 - 25 = 27430043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27430079) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 548577 + ... + 548626.

Almost surely, 227430075 is an apocalyptic number.

27430075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27430075 is a deficient number, since it is larger than the sum of its proper divisors (6583249).

27430075 is a wasteful number, since it uses less digits than its factorization.

27430075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097213 (or 1097208 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 27430075 is about 5237.3729101526. The cubic root of 27430075 is about 301.5844869738.

The spelling of 27430075 in words is "twenty-seven million, four hundred thirty thousand, seventy-five".

Divisors: 1 5 25 1097203 5486015 27430075