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3209005080 = 2333523129187
BaseRepresentation
bin1011111101000101…
…1000100000011000
322021122022100102000
42333101120200120
523033001130310
61250232041000
7142344043641
oct27721304030
98248270360
103209005080
1113a7444016
12756833160
133c1aa2598
142262906c8
1513bacb4c0
hexbf458818

3209005080 has 128 divisors (see below), whose sum is σ = 11161843200. Its totient is φ = 818522496.

The previous prime is 3209005073. The next prime is 3209005087. The reversal of 3209005080 is 805009023.

It is an interprime number because it is at equal distance from previous prime (3209005073) and next prime (3209005087).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3209005087) 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, 39754 + ... + 89433.

It is an arithmetic number, because the mean of its divisors is an integer number (87201900).

Almost surely, 23209005080 is an apocalyptic number.

3209005080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3209005080 is an abundant number, since it is smaller than the sum of its proper divisors (7952838120).

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

3209005080 is a wasteful number, since it uses less digits than its factorization.

3209005080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129230 (or 129220 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 3209005080 is about 56648.0809913275. The cubic root of 3209005080 is about 1474.9935964483.

The spelling of 3209005080 in words is "three billion, two hundred nine million, five thousand, eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 23 24 27 30 36 40 45 46 54 60 69 72 90 92 108 115 120 135 138 180 184 207 216 230 270 276 345 360 414 460 540 552 621 690 828 920 1035 1080 1242 1380 1656 2070 2484 2760 3105 4140 4968 6210 8280 12420 24840 129187 258374 387561 516748 645935 775122 1033496 1162683 1291870 1550244 1937805 2325366 2583740 2971301 3100488 3488049 3875610 4650732 5167480 5813415 5942602 6976098 7751220 8913903 9301464 11626830 11885204 13952196 14856505 15502440 17440245 17827806 23253660 23770408 26741709 27904392 29713010 34880490 35655612 44569515 46507320 53483418 59426020 69760980 71311224 80225127 89139030 106966836 118852040 133708545 139521960 160450254 178278060 213933672 267417090 320900508 356556120 401125635 534834180 641801016 802251270 1069668360 1604502540 3209005080