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5140840 = 235128521
BaseRepresentation
bin10011100111000101101000
3100200011220111
4103213011220
52304001330
6302104104
761460605
oct23470550
910604814
105140840
1129a1431
12187b034
1310acc23
1497b6ac
156b832a
hex4e7168

5140840 has 16 divisors (see below), whose sum is σ = 11566980. Its totient is φ = 2056320.

The previous prime is 5140829. The next prime is 5140853. The reversal of 5140840 is 480415.

It can be written as a sum of positive squares in 2 ways, for example, as 5134756 + 6084 = 2266^2 + 78^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64221 + ... + 64300.

Almost surely, 25140840 is an apocalyptic number.

It is an amenable number.

5140840 is an abundant number, since it is smaller than the sum of its proper divisors (6426140).

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

5140840 is a wasteful number, since it uses less digits than its factorization.

5140840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128532 (or 128528 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 5140840 is about 2267.3420562412. The cubic root of 5140840 is about 172.5883045747.

The spelling of 5140840 in words is "five million, one hundred forty thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 128521 257042 514084 642605 1028168 1285210 2570420 5140840