Search a number
-
+
27103680 = 263353137
BaseRepresentation
bin110011101100…
…1000111000000
31220000000021000
41213121013000
523414304210
62404532000
7446243322
oct147310700
956000230
1027103680
111433243a
1290b1000
1357cc8a6
143857612
1525a5ac0
hex19d91c0

27103680 has 112 divisors (see below), whose sum is σ = 95646240. Its totient is φ = 7225344.

The previous prime is 27103667. The next prime is 27103697. The reversal of 27103680 is 8630172.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7072 + ... + 10208.

Almost surely, 227103680 is an apocalyptic number.

27103680 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 27103680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47823120).

27103680 is an abundant number, since it is smaller than the sum of its proper divisors (68542560).

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

27103680 is a wasteful number, since it uses less digits than its factorization.

27103680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3163 (or 3147 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 27103680 is about 5206.1194761550. The cubic root of 27103680 is about 300.3835095259.

The spelling of 27103680 in words is "twenty-seven million, one hundred three thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 135 144 160 180 192 216 240 270 288 320 360 432 480 540 576 720 864 960 1080 1440 1728 2160 2880 3137 4320 6274 8640 9411 12548 15685 18822 25096 28233 31370 37644 47055 50192 56466 62740 75288 84699 94110 100384 112932 125480 141165 150576 169398 188220 200768 225864 250960 282330 301152 338796 376440 423495 451728 501920 564660 602304 677592 752880 846990 903456 1003840 1129320 1355184 1505760 1693980 1806912 2258640 2710368 3011520 3387960 4517280 5420736 6775920 9034560 13551840 27103680