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3220303230 = 23454784589
BaseRepresentation
bin1011111111110001…
…1110110101111110
322022102120100120000
42333330132311332
523043344200410
61251314135130
7142542061104
oct27774366576
98272510500
103220303230
111402860531
1275a5814a6
133c4229c91
14227991c74
1513caaddc0
hexbff1ed7e

3220303230 has 80 divisors (see below), whose sum is σ = 8843376960. Its totient is φ = 840466368.

The previous prime is 3220303189. The next prime is 3220303253. The reversal of 3220303230 is 323030223.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4225 + ... + 80364.

It is an arithmetic number, because the mean of its divisors is an integer number (110542212).

Almost surely, 23220303230 is an apocalyptic number.

3220303230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3220303230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4421688480).

3220303230 is an abundant number, since it is smaller than the sum of its proper divisors (5623073730).

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

3220303230 is a wasteful number, since it uses less digits than its factorization.

3220303230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84655 (or 84646 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

The square root of 3220303230 is about 56747.7156368430. The cubic root of 3220303230 is about 1476.7226037429.

Adding to 3220303230 its reverse (323030223), we get a palindrome (3543333453).

The spelling of 3220303230 in words is "three billion, two hundred twenty million, three hundred three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 47 54 81 90 94 135 141 162 235 270 282 405 423 470 705 810 846 1269 1410 2115 2538 3807 4230 6345 7614 12690 19035 38070 84589 169178 253767 422945 507534 761301 845890 1268835 1522602 2283903 2537670 3806505 3975683 4567806 6851709 7613010 7951366 11419515 11927049 13703418 19878415 22839030 23854098 34258545 35781147 39756830 59635245 68517090 71562294 107343441 119270490 178905735 214686882 322030323 357811470 536717205 644060646 1073434410 1610151615 3220303230