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5140648 = 23642581
BaseRepresentation
bin10011100111000010101000
3100200011122101
4103213002220
52304000043
6302103144
761460212
oct23470250
910604571
105140648
1129a1277
12187aab4
1310acb06
1497b5b2
156b824d
hex4e70a8

5140648 has 8 divisors (see below), whose sum is σ = 9638730. Its totient is φ = 2570320.

The previous prime is 5140643. The next prime is 5140657. The reversal of 5140648 is 8460415.

It can be written as a sum of positive squares in only one way, i.e., 3392964 + 1747684 = 1842^2 + 1322^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×51406483 (a number of 21 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (5140643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 321283 + ... + 321298.

Almost surely, 25140648 is an apocalyptic number.

It is an amenable number.

5140648 is a deficient number, since it is larger than the sum of its proper divisors (4498082).

5140648 is a wasteful number, since it uses less digits than its factorization.

5140648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642587 (or 642583 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 5140648 is about 2267.2997155206. The cubic root of 5140648 is about 172.5861559397.

The spelling of 5140648 in words is "five million, one hundred forty thousand, six hundred forty-eight".

Divisors: 1 2 4 8 642581 1285162 2570324 5140648