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27420254 = 229472763
BaseRepresentation
bin110100010011…
…0011001011110
31220121002111222
41220212121132
524004422004
62415413342
7452032301
oct150463136
956532458
1027420254
1114529274
129224252
1358b0a04
1438dab38
1526197be
hex1a2665e

27420254 has 8 divisors (see below), whose sum is σ = 42548760. Its totient is φ = 13237336.

The previous prime is 27420229. The next prime is 27420299. The reversal of 27420254 is 45202472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 236324 + ... + 236439.

It is an arithmetic number, because the mean of its divisors is an integer number (5318595).

Almost surely, 227420254 is an apocalyptic number.

27420254 is a deficient number, since it is larger than the sum of its proper divisors (15128506).

27420254 is a wasteful number, since it uses less digits than its factorization.

27420254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472794.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 27420254 is about 5236.4352378312. The cubic root of 27420254 is about 301.5484898088.

The spelling of 27420254 in words is "twenty-seven million, four hundred twenty thousand, two hundred fifty-four".

Divisors: 1 2 29 58 472763 945526 13710127 27420254