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5640672 = 25358757
BaseRepresentation
bin10101100001000111100000
3101121120112210
4111201013200
52421000142
6320522120
765642052
oct25410740
911546483
105640672
113202a14
121a80340
13122659b
14a6b8d2
1576649c
hex5611e0

5640672 has 24 divisors (see below), whose sum is σ = 14807016. Its totient is φ = 1880192.

The previous prime is 5640671. The next prime is 5640673. The reversal of 5640672 is 2760465.

It is an interprime number because it is at equal distance from previous prime (5640671) and next prime (5640673).

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×56406723 (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5640671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29283 + ... + 29474.

It is an arithmetic number, because the mean of its divisors is an integer number (616959).

Almost surely, 25640672 is an apocalyptic number.

It is an amenable number.

5640672 is an abundant number, since it is smaller than the sum of its proper divisors (9166344).

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

5640672 is a wasteful number, since it uses less digits than its factorization.

5640672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58770 (or 58762 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 5640672 is about 2375.0098947162. The cubic root of 5640672 is about 178.0096783863.

The spelling of 5640672 in words is "five million, six hundred forty thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 58757 117514 176271 235028 352542 470056 705084 940112 1410168 1880224 2820336 5640672