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27530230 = 2571330253
BaseRepresentation
bin110100100000…
…1001111110110
31220210200101011
41221001033312
524021431410
62422022434
7453001030
oct151011766
956720334
1027530230
11145a3962
129277a1a
13591baa0
143928c50
15263c18a
hex1a413f6

27530230 has 32 divisors (see below), whose sum is σ = 60992064. Its totient is φ = 8712576.

The previous prime is 27530227. The next prime is 27530273. The reversal of 27530230 is 3203572.

It is a happy number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 14217 + ... + 16036.

It is an arithmetic number, because the mean of its divisors is an integer number (1906002).

Almost surely, 227530230 is an apocalyptic number.

27530230 is an abundant number, since it is smaller than the sum of its proper divisors (33461834).

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

27530230 is a wasteful number, since it uses less digits than its factorization.

27530230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30280.

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 27530230 is about 5246.9257665799. The cubic root of 27530230 is about 301.9510980275.

The spelling of 27530230 in words is "twenty-seven million, five hundred thirty thousand, two hundred thirty".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 30253 60506 151265 211771 302530 393289 423542 786578 1058855 1966445 2117710 2753023 3932890 5506046 13765115 27530230