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27128426 = 2131043401
BaseRepresentation
bin110011101111…
…1001001101010
31220001021012112
41213133021222
523421102201
62405242322
7446405423
oct147371152
956037175
1027128426
1114349a96
1291033a2
13580ac30
14386264a
1525ad0bb
hex19df26a

27128426 has 8 divisors (see below), whose sum is σ = 43822884. Its totient is φ = 12520800.

The previous prime is 27128419. The next prime is 27128443. The reversal of 27128426 is 62482172.

It can be written as a sum of positive squares in 2 ways, for example, as 26512201 + 616225 = 5149^2 + 785^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 27128392 and 27128401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521675 + ... + 521726.

Almost surely, 227128426 is an apocalyptic number.

27128426 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

27128426 is a deficient number, since it is larger than the sum of its proper divisors (16694458).

27128426 is a wasteful number, since it uses less digits than its factorization.

27128426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043416.

The product of its digits is 10752, while the sum is 32.

The square root of 27128426 is about 5208.4955601402. The cubic root of 27128426 is about 300.4748996895.

The spelling of 27128426 in words is "twenty-seven million, one hundred twenty-eight thousand, four hundred twenty-six".

Divisors: 1 2 13 26 1043401 2086802 13564213 27128426