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5216840 = 235413181
BaseRepresentation
bin10011111001101001001000
3100211001011022
4103321221020
52313414330
6303452012
762225306
oct23715110
910731138
105216840
112a43542
1218b7008
1311086b5
1499b276
156d0ae5
hex4f9a48

5216840 has 32 divisors (see below), whose sum is σ = 12027960. Its totient is φ = 2035200.

The previous prime is 5216833. The next prime is 5216873. The reversal of 5216840 is 486125.

It can be written as a sum of positive squares in 4 ways, for example, as 1522756 + 3694084 = 1234^2 + 1922^2 .

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 7 ways as a sum of consecutive naturals, for example, 50 + ... + 3230.

Almost surely, 25216840 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 5216840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6013980).

5216840 is an abundant number, since it is smaller than the sum of its proper divisors (6811120).

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

5216840 is a wasteful number, since it uses less digits than its factorization.

5216840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233 (or 3229 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 5216840 is about 2284.0402798550. The cubic root of 5216840 is about 173.4346383479.

The spelling of 5216840 in words is "five million, two hundred sixteen thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 41 82 164 205 328 410 820 1640 3181 6362 12724 15905 25448 31810 63620 127240 130421 260842 521684 652105 1043368 1304210 2608420 5216840