Search a number
-
+
27390048 = 253740759
BaseRepresentation
bin110100001111…
…1000001100000
31220112120002020
41220133001200
524002440143
62415021440
7451545240
oct150370140
956476066
1027390048
1114508604
12920a880
1358a003a
1438cdb20
152610883
hex1a1f060

27390048 has 48 divisors (see below), whose sum is σ = 82172160. Its totient is φ = 7825536.

The previous prime is 27390023. The next prime is 27390053. The reversal of 27390048 is 84009372.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19708 + ... + 21051.

It is an arithmetic number, because the mean of its divisors is an integer number (1711920).

Almost surely, 227390048 is an apocalyptic number.

27390048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

27390048 is an abundant number, since it is smaller than the sum of its proper divisors (54782112).

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

27390048 is a wasteful number, since it uses less digits than its factorization.

27390048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40779 (or 40771 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 27390048 is about 5233.5502290510. The cubic root of 27390048 is about 301.4377210758.

The spelling of 27390048 in words is "twenty-seven million, three hundred ninety thousand, forty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 40759 81518 122277 163036 244554 285313 326072 489108 570626 652144 855939 978216 1141252 1304288 1711878 1956432 2282504 3423756 3912864 4565008 6847512 9130016 13695024 27390048