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5217490 = 25521749
BaseRepresentation
bin10011111001110011010010
3100211002001101
4103321303102
52313424430
6303455014
762230225
oct23716322
910732041
105217490
112a43a83
1218b746a
131108a95
1499b5bc
156d0dca
hex4f9cd2

5217490 has 8 divisors (see below), whose sum is σ = 9391500. Its totient is φ = 2086992.

The previous prime is 5217469. The next prime is 5217493. The reversal of 5217490 is 947125.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5184729 + 32761 = 2277^2 + 181^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (5217493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260865 + ... + 260884.

Almost surely, 25217490 is an apocalyptic number.

5217490 is a deficient number, since it is larger than the sum of its proper divisors (4174010).

5217490 is a wasteful number, since it uses less digits than its factorization.

5217490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521756.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 5217490 is about 2284.1825671342. The cubic root of 5217490 is about 173.4418411650.

The spelling of 5217490 in words is "five million, two hundred seventeen thousand, four hundred ninety".

Divisors: 1 2 5 10 521749 1043498 2608745 5217490