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227083680 = 25325315087
BaseRepresentation
bin11011000100100…
…00010110100000
3120211022001020200
431202100112200
5431113134210
634311105200
75425115355
oct1542202640
9524261220
10227083680
1110720136a
1264072200
133807aa55
142223262c
1514e090c0
hexd8905a0

227083680 has 144 divisors (see below), whose sum is σ = 800077824. Its totient is φ = 58590720.

The previous prime is 227083679. The next prime is 227083697. The reversal of 227083680 is 86380722.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42097 + ... + 47183.

It is an arithmetic number, because the mean of its divisors is an integer number (5556096).

Almost surely, 2227083680 is an apocalyptic number.

227083680 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 227083680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400038912).

227083680 is an abundant number, since it is smaller than the sum of its proper divisors (572994144).

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

227083680 is a wasteful number, since it uses less digits than its factorization.

227083680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5139 (or 5128 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 227083680 is about 15069.2959357762. The cubic root of 227083680 is about 610.0919685754.

The spelling of 227083680 in words is "two hundred twenty-seven million, eighty-three thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 31 32 36 40 45 48 60 62 72 80 90 93 96 120 124 144 155 160 180 186 240 248 279 288 310 360 372 465 480 496 558 620 720 744 930 992 1116 1240 1395 1440 1488 1860 2232 2480 2790 2976 3720 4464 4960 5087 5580 7440 8928 10174 11160 14880 15261 20348 22320 25435 30522 40696 44640 45783 50870 61044 76305 81392 91566 101740 122088 152610 157697 162784 183132 203480 228915 244176 305220 315394 366264 406960 457830 473091 488352 610440 630788 732528 788485 813920 915660 946182 1220880 1261576 1419273 1465056 1576970 1831320 1892364 2365455 2441760 2523152 2838546 3153940 3662640 3784728 4730910 5046304 5677092 6307880 7096365 7325280 7569456 9461820 11354184 12615760 14192730 15138912 18923640 22708368 25231520 28385460 37847280 45416736 56770920 75694560 113541840 227083680