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65700960 = 25351310529
BaseRepresentation
bin1111101010100…
…0010001100000
311120121221202220
43322220101200
5113304412320
610304111040
71425306663
oct372502140
9146557686
1065700960
11340a5116
121a005480
13107c4b10
148a236da
155b7be40
hex3ea8460

65700960 has 96 divisors (see below), whose sum is σ = 222899040. Its totient is φ = 16171008.

The previous prime is 65700959. The next prime is 65700961. The reversal of 65700960 is 6900756.

It is an interprime number because it is at equal distance from previous prime (65700959) and next prime (65700961).

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×657009602 = 8633232289843200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65700961) by changing a digit.

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, 976 + ... + 11504.

It is an arithmetic number, because the mean of its divisors is an integer number (2321865).

Almost surely, 265700960 is an apocalyptic number.

65700960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65700960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111449520).

65700960 is an abundant number, since it is smaller than the sum of its proper divisors (157198080).

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

65700960 is a wasteful number, since it uses less digits than its factorization.

65700960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10560 (or 10552 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 65700960 is about 8105.6128701043. The cubic root of 65700960 is about 403.5127282169.

The spelling of 65700960 in words is "sixty-five million, seven hundred thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 65 78 80 96 104 120 130 156 160 195 208 240 260 312 390 416 480 520 624 780 1040 1248 1560 2080 3120 6240 10529 21058 31587 42116 52645 63174 84232 105290 126348 136877 157935 168464 210580 252696 273754 315870 336928 410631 421160 505392 547508 631740 684385 821262 842320 1010784 1095016 1263480 1368770 1642524 1684640 2053155 2190032 2526960 2737540 3285048 4106310 4380064 5053920 5475080 6570096 8212620 10950160 13140192 16425240 21900320 32850480 65700960