Search a number
-
+
27033440 = 255724137
BaseRepresentation
bin110011100011…
…1111101100000
31212212102220112
41213013331200
523410032230
62403230452
7445531460
oct147077540
955772815
1027033440
1114294695
129078428
1357a6925
143839ba0
15258ed95
hex19c7f60

27033440 has 48 divisors (see below), whose sum is σ = 72993312. Its totient is φ = 9268224.

The previous prime is 27033437. The next prime is 27033449. The reversal of 27033440 is 4433072.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27033449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10949 + ... + 13188.

It is an arithmetic number, because the mean of its divisors is an integer number (1520694).

Almost surely, 227033440 is an apocalyptic number.

27033440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27033440 is an abundant number, since it is smaller than the sum of its proper divisors (45959872).

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

27033440 is a wasteful number, since it uses less digits than its factorization.

27033440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24159 (or 24151 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 27033440 is about 5199.3691925079. The cubic root of 27033440 is about 300.1238007561.

The spelling of 27033440 in words is "twenty-seven million, thirty-three thousand, four hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 24137 48274 96548 120685 168959 193096 241370 337918 386192 482740 675836 772384 844795 965480 1351672 1689590 1930960 2703344 3379180 3861920 5406688 6758360 13516720 27033440