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27430030 = 2523239499
BaseRepresentation
bin110100010100…
…0110010001110
31220121120221001
41220220302032
524010230110
62415530514
7452102635
oct150506216
956546831
1027430030
1114535651
129229a3a
1358b52b4
14390051c
15261c63a
hex1a28c8e

27430030 has 32 divisors (see below), whose sum is σ = 51840000. Its totient is φ = 10430112.

The previous prime is 27430021. The next prime is 27430043. The reversal of 27430030 is 3003472.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 54721 + ... + 55219.

It is an arithmetic number, because the mean of its divisors is an integer number (1620000).

Almost surely, 227430030 is an apocalyptic number.

27430030 is a deficient number, since it is larger than the sum of its proper divisors (24409970).

27430030 is a wasteful number, since it uses less digits than its factorization.

27430030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768.

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 27430030 is about 5237.3686141038. The cubic root of 27430030 is about 301.5843220537.

The spelling of 27430030 in words is "twenty-seven million, four hundred thirty thousand, thirty".

Divisors: 1 2 5 10 23 46 115 230 239 478 499 998 1195 2390 2495 4990 5497 10994 11477 22954 27485 54970 57385 114770 119261 238522 596305 1192610 2743003 5486006 13715015 27430030