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230224512 = 2737412089
BaseRepresentation
bin11011011100011…
…11001010000000
3121001012121122210
431232033022000
5432414141022
634502302120
75463606330
oct1556171200
9531177583
10230224512
11108a570a1
1265127940
133890a52b
142280d0c0
1515329a0c
hexdb8f280

230224512 has 128 divisors (see below), whose sum is σ = 716284800. Its totient is φ = 64143360.

The previous prime is 230224483. The next prime is 230224567. The reversal of 230224512 is 215422032.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109164 + ... + 111252.

It is an arithmetic number, because the mean of its divisors is an integer number (5595975).

Almost surely, 2230224512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230224512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358142400).

230224512 is an abundant number, since it is smaller than the sum of its proper divisors (486060288).

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

230224512 is a wasteful number, since it uses less digits than its factorization.

230224512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154 (or 2142 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 230224512 is about 15173.1510240952. The cubic root of 230224512 is about 612.8918604211.

Adding to 230224512 its reverse (215422032), we get a palindrome (445646544).

The spelling of 230224512 in words is "two hundred thirty million, two hundred twenty-four thousand, five hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 41 42 48 56 64 82 84 96 112 123 128 164 168 192 224 246 287 328 336 384 448 492 574 656 672 861 896 984 1148 1312 1344 1722 1968 2089 2296 2624 2688 3444 3936 4178 4592 5248 6267 6888 7872 8356 9184 12534 13776 14623 15744 16712 18368 25068 27552 29246 33424 36736 43869 50136 55104 58492 66848 85649 87738 100272 110208 116984 133696 171298 175476 200544 233968 256947 267392 342596 350952 401088 467936 513894 599543 685192 701904 802176 935872 1027788 1199086 1370384 1403808 1798629 1871744 2055576 2398172 2740768 2807616 3597258 4111152 4796344 5481536 5615232 7194516 8222304 9592688 10963072 14389032 16444608 19185376 28778064 32889216 38370752 57556128 76741504 115112256 230224512