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260650020 = 223513931253
BaseRepresentation
bin11111000100100…
…11010000100100
3200011110101121110
433202103100210
51013211300040
641510345020
76313326411
oct1742232044
9604411543
10260650020
11124148244
127335b170
13420010a7
142688d108
1517d39980
hexf893424

260650020 has 48 divisors (see below), whose sum is σ = 735094080. Its totient is φ = 69004416.

The previous prime is 260649989. The next prime is 260650051. The reversal of 260650020 is 20056062.

It is an interprime number because it is at equal distance from previous prime (260649989) and next prime (260650051).

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, 7287 + ... + 23966.

It is an arithmetic number, because the mean of its divisors is an integer number (15314460).

Almost surely, 2260650020 is an apocalyptic number.

260650020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260650020 is an abundant number, since it is smaller than the sum of its proper divisors (474444060).

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

260650020 is a wasteful number, since it uses less digits than its factorization.

260650020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31404 (or 31402 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 260650020 is about 16144.6591788120. The cubic root of 260650020 is about 638.7818789675.

The spelling of 260650020 in words is "two hundred sixty million, six hundred fifty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 139 278 417 556 695 834 1390 1668 2085 2780 4170 8340 31253 62506 93759 125012 156265 187518 312530 375036 468795 625060 937590 1875180 4344167 8688334 13032501 17376668 21720835 26065002 43441670 52130004 65162505 86883340 130325010 260650020