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260205072 = 24323317603
BaseRepresentation
bin11111000001001…
…10101000010000
3200010121210020220
433200212220100
51013103030242
641453033040
76306464241
oct1740465020
9603553226
10260205072
11123973a16
1273185780
1341ba66ca
14267b4cc8
1517c9cbec
hexf826a10

260205072 has 80 divisors (see below), whose sum is σ = 724144128. Its totient is φ = 80277120.

The previous prime is 260205067. The next prime is 260205149. The reversal of 260205072 is 270502062.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30423 + ... + 38025.

Almost surely, 2260205072 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 260205072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362072064).

260205072 is an abundant number, since it is smaller than the sum of its proper divisors (463939056).

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

260205072 is a wasteful number, since it uses less digits than its factorization.

260205072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7668 (or 7662 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 260205072 is about 16130.8732559648. The cubic root of 260205072 is about 638.4181900081.

The spelling of 260205072 in words is "two hundred sixty million, two hundred five thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 16 23 24 31 46 48 62 69 92 93 124 138 184 186 248 276 368 372 496 552 713 744 1104 1426 1488 2139 2852 4278 5704 7603 8556 11408 15206 17112 22809 30412 34224 45618 60824 91236 121648 174869 182472 235693 349738 364944 471386 524607 699476 707079 942772 1049214 1398952 1414158 1885544 2098428 2797904 2828316 3771088 4196856 5420939 5656632 8393712 10841878 11313264 16262817 21683756 32525634 43367512 65051268 86735024 130102536 260205072