Search a number
-
+
27025680 = 24351129353
BaseRepresentation
bin110011100011…
…0000100010000
31212212001021010
41213012010100
523404310210
62403130520
7445500033
oct147060420
955761233
1027025680
1114289880
129073a40
1357a3236
14383701a
15258c920
hex19c6110

27025680 has 160 divisors (see below), whose sum is σ = 94815360. Its totient is φ = 6307840.

The previous prime is 27025643. The next prime is 27025697. The reversal of 27025680 is 8652072.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a zygodrome in base 7.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76384 + ... + 76736.

It is an arithmetic number, because the mean of its divisors is an integer number (592596).

Almost surely, 227025680 is an apocalyptic number.

27025680 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 27025680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47407680).

27025680 is an abundant number, since it is smaller than the sum of its proper divisors (67789680).

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

27025680 is a wasteful number, since it uses less digits than its factorization.

27025680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 27025680 is about 5198.6228945751. The cubic root of 27025680 is about 300.0950809733.

The spelling of 27025680 in words is "twenty-seven million, twenty-five thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 29 30 33 40 44 48 55 58 60 66 80 87 88 110 116 120 132 145 165 174 176 220 232 240 264 290 319 330 348 353 435 440 464 528 580 638 660 696 706 870 880 957 1059 1160 1276 1320 1392 1412 1595 1740 1765 1914 2118 2320 2552 2640 2824 3190 3480 3530 3828 3883 4236 4785 5104 5295 5648 6380 6960 7060 7656 7766 8472 9570 10237 10590 11649 12760 14120 15312 15532 16944 19140 19415 20474 21180 23298 25520 28240 30711 31064 38280 38830 40948 42360 46596 51185 58245 61422 62128 76560 77660 81896 84720 93192 102370 112607 116490 122844 153555 155320 163792 186384 204740 225214 232980 245688 307110 310640 337821 409480 450428 465960 491376 563035 614220 675642 818960 900856 931920 1126070 1228440 1351284 1689105 1801712 2252140 2456880 2702568 3378210 4504280 5405136 6756420 9008560 13512840 27025680