Search a number
-
+
27029240 = 2357372609
BaseRepresentation
bin110011100011…
…0111011111000
31212212020010222
41213012323320
523404413430
62403155212
7445513310
oct147067370
955766128
1027029240
1114291517
129075b08
1357a4a44
143838440
15258d9e5
hex19c6ef8

27029240 has 64 divisors (see below), whose sum is σ = 71409600. Its totient is φ = 9013248.

The previous prime is 27029239. The next prime is 27029243. The reversal of 27029240 is 4292072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27029243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9056 + ... + 11664.

It is an arithmetic number, because the mean of its divisors is an integer number (1115775).

Almost surely, 227029240 is an apocalyptic number.

27029240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27029240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35704800).

27029240 is an abundant number, since it is smaller than the sum of its proper divisors (44380360).

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

27029240 is a wasteful number, since it uses less digits than its factorization.

27029240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664 (or 2660 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 27029240 is about 5198.9652816690. The cubic root of 27029240 is about 300.1082572262.

The spelling of 27029240 in words is "twenty-seven million, twenty-nine thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 37 40 56 70 74 140 148 185 259 280 296 370 518 740 1036 1295 1480 2072 2590 2609 5180 5218 10360 10436 13045 18263 20872 26090 36526 52180 73052 91315 96533 104360 146104 182630 193066 365260 386132 482665 675731 730520 772264 965330 1351462 1930660 2702924 3378655 3861320 5405848 6757310 13514620 27029240