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5640512 = 26312843
BaseRepresentation
bin10101100001000101000000
3101121120022212
4111201011000
52420444022
6320521252
765641433
oct25410500
911546285
105640512
113202889
121a80228
1312264a7
14a6b81a
157663e2
hex561140

5640512 has 28 divisors (see below), whose sum is σ = 11558016. Its totient is φ = 2728320.

The previous prime is 5640463. The next prime is 5640527. The reversal of 5640512 is 2150465.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 563 + ... + 3405.

Almost surely, 25640512 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 5640512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5779008).

5640512 is an abundant number, since it is smaller than the sum of its proper divisors (5917504).

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

5640512 is a wasteful number, since it uses less digits than its factorization.

5640512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2886 (or 2876 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 5640512 is about 2374.9762104072. The cubic root of 5640512 is about 178.0079952643.

Adding to 5640512 its reverse (2150465), we get a palindrome (7790977).

The spelling of 5640512 in words is "five million, six hundred forty thousand, five hundred twelve".

Divisors: 1 2 4 8 16 31 32 62 64 124 248 496 992 1984 2843 5686 11372 22744 45488 88133 90976 176266 181952 352532 705064 1410128 2820256 5640512