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230227680 = 25352931637
BaseRepresentation
bin11011011100011…
…11111011100000
3121001012210000010
431232033323200
5432414241210
634502324520
75463621504
oct1556177340
9531183003
10230227680
11108a59511
1265129740
133890bac7
1422810304
151532a920
hexdb8fee0

230227680 has 96 divisors (see below), whose sum is σ = 728136864. Its totient is φ = 61147136.

The previous prime is 230227663. The next prime is 230227709. The reversal of 230227680 is 86722032.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139822 + ... + 141458.

It is an arithmetic number, because the mean of its divisors is an integer number (7584759).

Almost surely, 2230227680 is an apocalyptic number.

230227680 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 230227680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364068432).

230227680 is an abundant number, since it is smaller than the sum of its proper divisors (497909184).

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

230227680 is a wasteful number, since it uses less digits than its factorization.

230227680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948 (or 1940 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 230227680 is about 15173.2554186635. The cubic root of 230227680 is about 612.8946716371.

The spelling of 230227680 in words is "two hundred thirty million, two hundred twenty-seven thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 293 480 586 879 1172 1465 1637 1758 2344 2930 3274 3516 4395 4688 4911 5860 6548 7032 8185 8790 9376 9822 11720 13096 14064 16370 17580 19644 23440 24555 26192 28128 32740 35160 39288 46880 49110 52384 65480 70320 78576 98220 130960 140640 157152 196440 261920 392880 479641 785760 959282 1438923 1918564 2398205 2877846 3837128 4796410 5755692 7194615 7674256 9592820 11511384 14389230 15348512 19185640 23022768 28778460 38371280 46045536 57556920 76742560 115113840 230227680