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3220230 = 2351323359
BaseRepresentation
bin1100010010001100000110
320001121022210
430102030012
51311021410
6153004250
736241266
oct14221406
96047283
103220230
1118aa452
1210b3686
13889980
145db7a6
15439220
hex312306

3220230 has 64 divisors (see below), whose sum is σ = 8709120. Its totient is φ = 756096.

The previous prime is 3220219. The next prime is 3220267. The reversal of 3220230 is 320223.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8791 + ... + 9149.

It is an arithmetic number, because the mean of its divisors is an integer number (136080).

Almost surely, 23220230 is an apocalyptic number.

3220230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a pronic number, being equal to 1794×1795.

It is a practical number, because each smaller number is the sum of distinct divisors of 3220230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4354560).

3220230 is an abundant number, since it is smaller than the sum of its proper divisors (5488890).

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

3220230 is a wasteful number, since it uses less digits than its factorization.

3220230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 3220230 is about 1794.4999303427. The cubic root of 3220230 is about 147.6711410054.

Adding to 3220230 its reverse (320223), we get a palindrome (3540453).

The spelling of 3220230 in words is "three million, two hundred twenty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 23 26 30 39 46 65 69 78 115 130 138 195 230 299 345 359 390 598 690 718 897 1077 1495 1794 1795 2154 2990 3590 4485 4667 5385 8257 8970 9334 10770 14001 16514 23335 24771 28002 41285 46670 49542 70005 82570 107341 123855 140010 214682 247710 322023 536705 644046 1073410 1610115 3220230