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3285587040 = 253555712289
BaseRepresentation
bin1100001111010110…
…0001010001100000
322110222102010002220
43003311201101200
523212102241130
61302005311040
7144264012651
oct30365412140
98428363086
103285587040
1114366a019a
12778405480
13404906c58
14232507528
151436a7410
hexc3d61460

3285587040 has 96 divisors (see below), whose sum is σ = 10369023840. Its totient is φ = 874512384.

The previous prime is 3285587033. The next prime is 3285587051. The reversal of 3285587040 is 407855823.

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

It is a junction number, because it is equal to n+sod(n) for n = 3285586983 and 3285587001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261216 + ... + 273504.

It is an arithmetic number, because the mean of its divisors is an integer number (108010665).

Almost surely, 23285587040 is an apocalyptic number.

3285587040 is a gapful number since it is divisible by the number (30) 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 3285587040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5184511920).

3285587040 is an abundant number, since it is smaller than the sum of its proper divisors (7083436800).

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

3285587040 is a wasteful number, since it uses less digits than its factorization.

3285587040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12864 (or 12856 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The square root of 3285587040 is about 57320.0404745147. The cubic root of 3285587040 is about 1486.6349054013.

The spelling of 3285587040 in words is "three billion, two hundred eighty-five million, five hundred eighty-seven thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 557 1114 1671 2228 2785 3342 4456 5570 6684 8355 8912 11140 12289 13368 16710 17824 22280 24578 26736 33420 36867 44560 49156 53472 61445 66840 73734 89120 98312 122890 133680 147468 184335 196624 245780 267360 294936 368670 393248 491560 589872 737340 983120 1179744 1474680 1966240 2949360 5898720 6844973 13689946 20534919 27379892 34224865 41069838 54759784 68449730 82139676 102674595 109519568 136899460 164279352 205349190 219039136 273798920 328558704 410698380 547597840 657117408 821396760 1095195680 1642793520 3285587040