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268531080 = 23358632593
BaseRepresentation
bin10000000000010…
…111010110001000
3200201021210101120
4100000113112020
51022220443310
642351315240
76440322306
oct2000272610
9621253346
10268531080
11128640414
1275b1bb20
134383033c
1427941276
1518894b70
hex10017588

268531080 has 64 divisors (see below), whose sum is σ = 806837760. Its totient is φ = 71497728.

The previous prime is 268531063. The next prime is 268531091. The reversal of 268531080 is 80135862.

It is a happy 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, 102264 + ... + 104856.

It is an arithmetic number, because the mean of its divisors is an integer number (12606840).

Almost surely, 2268531080 is an apocalyptic number.

268531080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268531080 is an abundant number, since it is smaller than the sum of its proper divisors (538306680).

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

268531080 is a wasteful number, since it uses less digits than its factorization.

268531080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3470 (or 3466 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 268531080 is about 16386.9179530502. The cubic root of 268531080 is about 645.1561667410.

The spelling of 268531080 in words is "two hundred sixty-eight million, five hundred thirty-one thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 863 1726 2589 2593 3452 4315 5178 5186 6904 7779 8630 10356 10372 12945 12965 15558 17260 20712 20744 25890 25930 31116 34520 38895 51780 51860 62232 77790 103560 103720 155580 311160 2237759 4475518 6713277 8951036 11188795 13426554 17902072 22377590 26853108 33566385 44755180 53706216 67132770 89510360 134265540 268531080