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260531244 = 223229614091
BaseRepresentation
bin11111000011101…
…10010000101100
3200011020100200100
433201312100230
51013143444434
641504031100
76312323211
oct1741662054
9604210610
10260531244
11124076a86
1273302490
1341c8bccc
142685bb08
1517d14699
hexf87642c

260531244 has 72 divisors (see below), whose sum is σ = 692611920. Its totient is φ = 82454400.

The previous prime is 260531221. The next prime is 260531251. The reversal of 260531244 is 442135062.

260531244 is a `hidden beast` number, since 2 + 605 + 3 + 12 + 44 = 666.

260531244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61639 + ... + 65729.

It is an arithmetic number, because the mean of its divisors is an integer number (9619610).

Almost surely, 2260531244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260531244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346305960).

260531244 is an abundant number, since it is smaller than the sum of its proper divisors (432080676).

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

260531244 is a wasteful number, since it uses less digits than its factorization.

260531244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4191 (or 4186 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 260531244 is about 16140.9802676293. The cubic root of 260531244 is about 638.6848350666.

The spelling of 260531244 in words is "two hundred sixty million, five hundred thirty-one thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 29 36 58 61 87 116 122 174 183 244 261 348 366 522 549 732 1044 1098 1769 2196 3538 4091 5307 7076 8182 10614 12273 15921 16364 21228 24546 31842 36819 49092 63684 73638 118639 147276 237278 249551 355917 474556 499102 711834 748653 998204 1067751 1423668 1497306 2135502 2245959 2994612 4271004 4491918 7236979 8983836 14473958 21710937 28947916 43421874 65132811 86843748 130265622 260531244