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3230445220 = 2252317939233
BaseRepresentation
bin1100000010001100…
…1010111010100100
322100010122121202021
43000203022322210
523103443221340
61252315352524
7143024221432
oct30043127244
98303577667
103230445220
111408558342
12761a52744
133c636b362
14229071d52
1513d913e4a
hexc08caea4

3230445220 has 48 divisors (see below), whose sum is σ = 7118616960. Its totient is φ = 1229060096.

The previous prime is 3230445181. The next prime is 3230445233. The reversal of 3230445220 is 225440323.

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, 62724 + ... + 101956.

It is an arithmetic number, because the mean of its divisors is an integer number (148304520).

Almost surely, 23230445220 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 3230445220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3559308480).

3230445220 is an abundant number, since it is smaller than the sum of its proper divisors (3888171740).

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

3230445220 is a wasteful number, since it uses less digits than its factorization.

3230445220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39444 (or 39442 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 3230445220 is about 56837.0057269030. The cubic root of 3230445220 is about 1478.2712374748.

Adding to 3230445220 its reverse (225440323), we get a palindrome (3455885543).

The spelling of 3230445220 in words is "three billion, two hundred thirty million, four hundred forty-five thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 179 230 358 460 716 895 1790 3580 4117 8234 16468 20585 39233 41170 78466 82340 156932 196165 392330 784660 902359 1804718 3609436 4511795 7022707 9023590 14045414 18047180 28090828 35113535 70227070 140454140 161522261 323044522 646089044 807611305 1615222610 3230445220