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3220060240 = 245294729531
BaseRepresentation
bin1011111111101110…
…0011100001010000
322022102010000020101
42333323203201100
523043313411430
61251305022144
7142540026505
oct27773434120
98272100211
103220060240
111402704a11
1275a484954
133c41734b7
1422792b4ac
1513ca61dca
hexbfee3850

3220060240 has 80 divisors (see below), whose sum is σ = 7909850880. Its totient is φ = 1217108480.

The previous prime is 3220060229. The next prime is 3220060271. The reversal of 3220060240 is 420600223.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 94275 + ... + 123805.

It is an arithmetic number, because the mean of its divisors is an integer number (98873136).

Almost surely, 23220060240 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 3220060240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3954925440).

3220060240 is an abundant number, since it is smaller than the sum of its proper divisors (4689790640).

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

3220060240 is a wasteful number, since it uses less digits than its factorization.

3220060240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29620 (or 29614 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 3220060240 is about 56745.5746292167. The cubic root of 3220060240 is about 1476.6854604652.

Adding to 3220060240 its reverse (420600223), we get a palindrome (3640660463).

The spelling of 3220060240 in words is "three billion, two hundred twenty million, sixty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 29 40 47 58 80 94 116 145 188 232 235 290 376 464 470 580 752 940 1160 1363 1880 2320 2726 3760 5452 6815 10904 13630 21808 27260 29531 54520 59062 109040 118124 147655 236248 295310 472496 590620 856399 1181240 1387957 1712798 2362480 2775914 3425596 4281995 5551828 6851192 6939785 8563990 11103656 13702384 13879570 17127980 22207312 27759140 34255960 40250753 55518280 68511920 80501506 111036560 161003012 201253765 322006024 402507530 644012048 805015060 1610030120 3220060240