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230051724 = 223718115131
BaseRepresentation
bin11011011011001…
…00111110001100
3121000212211122020
431231210332030
5432343123344
634454450140
75462256510
oct1555447614
9530784566
10230051724
111089492a1
1265063950
13388799a6
14227a6140
15152e3719
hexdb64f8c

230051724 has 48 divisors (see below), whose sum is σ = 616901376. Its totient is φ = 65361600.

The previous prime is 230051719. The next prime is 230051743. The reversal of 230051724 is 427150032.

It is a junction number, because it is equal to n+sod(n) for n = 230051694 and 230051703.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7639 + ... + 22769.

It is an arithmetic number, because the mean of its divisors is an integer number (12852112).

Almost surely, 2230051724 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 230051724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308450688).

230051724 is an abundant number, since it is smaller than the sum of its proper divisors (386849652).

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

230051724 is a wasteful number, since it uses less digits than its factorization.

230051724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15326 (or 15324 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 230051724 is about 15167.4560820198. The cubic root of 230051724 is about 612.7384929359.

The spelling of 230051724 in words is "two hundred thirty million, fifty-one thousand, seven hundred twenty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 181 362 543 724 1086 1267 2172 2534 3801 5068 7602 15131 15204 30262 45393 60524 90786 105917 181572 211834 317751 423668 635502 1271004 2738711 5477422 8216133 10954844 16432266 19170977 32864532 38341954 57512931 76683908 115025862 230051724