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3722745660 = 2235298832423
BaseRepresentation
bin1101110111100100…
…1001011100111100
3100121110000001222220
43131321021130330
530111010330120
61413223205340
7161152546614
oct33571113474
910543001886
103722745660
111640435a07
1287a8a6850
134743589aa
142745c1a44
1516bc5ab40
hexdde4973c

3722745660 has 96 divisors (see below), whose sum is σ = 10799792640. Its totient is φ = 957019392.

The previous prime is 3722745641. The next prime is 3722745703. The reversal of 3722745660 is 665472273.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1535209 + ... + 1537631.

It is an arithmetic number, because the mean of its divisors is an integer number (112497840).

Almost surely, 23722745660 is an apocalyptic number.

3722745660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3722745660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5399896320).

3722745660 is an abundant number, since it is smaller than the sum of its proper divisors (7077046980).

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

3722745660 is a wasteful number, since it uses less digits than its factorization.

3722745660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347 (or 3345 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 42.

The square root of 3722745660 is about 61014.3070107331. The cubic root of 3722745660 is about 1549.8432945981.

The spelling of 3722745660 in words is "three billion, seven hundred twenty-two million, seven hundred forty-five thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 29 30 58 60 87 116 145 174 290 348 435 580 870 883 1740 1766 2423 2649 3532 4415 4846 5298 7269 8830 9692 10596 12115 13245 14538 17660 24230 25607 26490 29076 36345 48460 51214 52980 70267 72690 76821 102428 128035 140534 145380 153642 210801 256070 281068 307284 351335 384105 421602 512140 702670 768210 843204 1054005 1405340 1536420 2108010 2139509 4216020 4279018 6418527 8558036 10697545 12837054 21395090 25674108 32092635 42790180 62045761 64185270 124091522 128370540 186137283 248183044 310228805 372274566 620457610 744549132 930686415 1240915220 1861372830 3722745660