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5718640 = 24571483
BaseRepresentation
bin10101110100001001110000
3101202112111111
4111310021300
52430444030
6322323104
766415264
oct25641160
911675444
105718640
113256554
121ab9494
131252c15
14a8c0a4
1577e62a
hex574270

5718640 has 20 divisors (see below), whose sum is σ = 13296024. Its totient is φ = 2287424.

The previous prime is 5718623. The next prime is 5718641. The reversal of 5718640 is 468175.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5718641) 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, 35662 + ... + 35821.

Almost surely, 25718640 is an apocalyptic number.

It is an amenable number.

5718640 is an abundant number, since it is smaller than the sum of its proper divisors (7577384).

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

5718640 is a wasteful number, since it uses less digits than its factorization.

5718640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71496 (or 71490 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 5718640 is about 2391.3678094346. The cubic root of 5718640 is about 178.8261057896.

The spelling of 5718640 in words is "five million, seven hundred eighteen thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 71483 142966 285932 357415 571864 714830 1143728 1429660 2859320 5718640