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230000303220 = 223531123656077
BaseRepresentation
bin1101011000110100010…
…1100001110001110100
3210222200010010222210220
43112031011201301310
512232020034200340
6253354412414340
722421423214612
oct3261505416164
9728603128726
10230000303220
11895a71a2026
12386aa7773b0
13188c578c29c
14b1bc5a86b2
155eb210ced0
hex358d161c74

230000303220 has 48 divisors (see below), whose sum is σ = 664775075328. Its totient is φ = 59354916480.

The previous prime is 230000303201. The next prime is 230000303227. The reversal of 230000303220 is 22303000032.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 230000303220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230000303227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61826179 + ... + 61829898.

It is an arithmetic number, because the mean of its divisors is an integer number (13849480736).

Almost surely, 2230000303220 is an apocalyptic number.

230000303220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230000303220 is an abundant number, since it is smaller than the sum of its proper divisors (434774772108).

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

230000303220 is a wasteful number, since it uses less digits than its factorization.

230000303220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123656120 (or 123656118 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

Adding to 230000303220 its reverse (22303000032), we get a palindrome (252303303252).

The spelling of 230000303220 in words is "two hundred thirty billion, three hundred three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 124 155 186 310 372 465 620 930 1860 123656077 247312154 370968231 494624308 618280385 741936462 1236560770 1483872924 1854841155 2473121540 3709682310 3833338387 7419364620 7666676774 11500015161 15333353548 19166691935 23000030322 38333383870 46000060644 57500075805 76666767740 115000151610 230000303220