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27713740 = 22517372203
BaseRepresentation
bin110100110111…
…0000011001100
31221011000002211
41221232003030
524043314430
62430000204
7454364035
oct151560314
957130084
1027713740
111470981a
129346064
135984482
143975a8c
15267672a
hex1a6e0cc

27713740 has 48 divisors (see below), whose sum is σ = 63316512. Its totient is φ = 10146816.

The previous prime is 27713737. The next prime is 27713779. The reversal of 27713740 is 4731772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11479 + ... + 13681.

It is an arithmetic number, because the mean of its divisors is an integer number (1319094).

Almost surely, 227713740 is an apocalyptic number.

27713740 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 27713740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31658256).

27713740 is an abundant number, since it is smaller than the sum of its proper divisors (35602772).

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

27713740 is a wasteful number, since it uses less digits than its factorization.

27713740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266 (or 2264 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 31.

The square root of 27713740 is about 5264.3841045273. The cubic root of 27713740 is about 302.6205243387.

The spelling of 27713740 in words is "twenty-seven million, seven hundred thirteen thousand, seven hundred forty".

Divisors: 1 2 4 5 10 17 20 34 37 68 74 85 148 170 185 340 370 629 740 1258 2203 2516 3145 4406 6290 8812 11015 12580 22030 37451 44060 74902 81511 149804 163022 187255 326044 374510 407555 749020 815110 1385687 1630220 2771374 5542748 6928435 13856870 27713740