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27026440 = 2357213789
BaseRepresentation
bin110011100011…
…0010000001000
31212212002022021
41213012100020
523404321230
62403134224
7445502200
oct147062010
955762267
1027026440
111428a401
129074374
1357a369c
143837400
15258cc7a
hex19c6408

27026440 has 48 divisors (see below), whose sum is σ = 70742700. Its totient is φ = 9265536.

The previous prime is 27026429. The next prime is 27026459. The reversal of 27026440 is 4462072.

It can be written as a sum of positive squares in 2 ways, for example, as 25542916 + 1483524 = 5054^2 + 1218^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4935 + ... + 8854.

Almost surely, 227026440 is an apocalyptic number.

27026440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27026440 is an abundant number, since it is smaller than the sum of its proper divisors (43716260).

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

27026440 is a wasteful number, since it uses less digits than its factorization.

27026440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13814 (or 13803 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 27026440 is about 5198.6959903422. The cubic root of 27026440 is about 300.0978939783.

The spelling of 27026440 in words is "twenty-seven million, twenty-six thousand, four hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 49 56 70 98 140 196 245 280 392 490 980 1960 13789 27578 55156 68945 96523 110312 137890 193046 275780 386092 482615 551560 675661 772184 965230 1351322 1930460 2702644 3378305 3860920 5405288 6756610 13513220 27026440