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3443221380 = 22351992831019
BaseRepresentation
bin1100110100111011…
…0110001110000100
322212222000202202210
43031032312032010
524022431041010
61325400103420
7151216620204
oct31516661604
98788022683
103443221380
111507677205
12801164b70
1342b479a01
1424941c404
15152443b20
hexcd3b6384

3443221380 has 96 divisors (see below), whose sum is σ = 9733248000. Its totient is φ = 909456768.

The previous prime is 3443221337. The next prime is 3443221381. The reversal of 3443221380 is 831223443.

3443221380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (3443221381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3378511 + ... + 3379529.

It is an arithmetic number, because the mean of its divisors is an integer number (101388000).

Almost surely, 23443221380 is an apocalyptic number.

3443221380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3443221380 is an abundant number, since it is smaller than the sum of its proper divisors (6290026620).

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

3443221380 is a wasteful number, since it uses less digits than its factorization.

3443221380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513 (or 1511 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 3443221380 is about 58678.9688048452. The cubic root of 3443221380 is about 1510.0395264714.

The spelling of 3443221380 in words is "three billion, four hundred forty-three million, two hundred twenty-one thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 199 283 398 566 597 796 849 995 1019 1132 1194 1415 1698 1990 2038 2388 2830 2985 3057 3396 3980 4076 4245 5095 5660 5970 6114 8490 10190 11940 12228 15285 16980 20380 30570 56317 61140 112634 168951 202781 225268 281585 288377 337902 405562 563170 576754 608343 675804 811124 844755 865131 1013905 1126340 1153508 1216686 1441885 1689510 1730262 2027810 2433372 2883770 3041715 3379020 3460524 4055620 4325655 5767540 6083430 8651310 12166860 17302620 57387023 114774046 172161069 229548092 286935115 344322138 573870230 688644276 860805345 1147740460 1721610690 3443221380