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5128730 = 251730169
BaseRepresentation
bin10011100100001000011010
3100122120021222
4103210020122
52303104410
6301532042
761410365
oct23441032
910576258
105128730
112993322
121874022
1310a7569
149770dc
156b4955
hex4e421a

5128730 has 16 divisors (see below), whose sum is σ = 9775080. Its totient is φ = 1930752.

The previous prime is 5128723. The next prime is 5128751. The reversal of 5128730 is 378215.

It can be written as a sum of positive squares in 4 ways, for example, as 4748041 + 380689 = 2179^2 + 617^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5128730.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14915 + ... + 15254.

Almost surely, 25128730 is an apocalyptic number.

5128730 is a deficient number, since it is larger than the sum of its proper divisors (4646350).

5128730 is a wasteful number, since it uses less digits than its factorization.

5128730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30193.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 5128730 is about 2264.6699538785. The cubic root of 5128730 is about 172.4526790314.

The spelling of 5128730 in words is "five million, one hundred twenty-eight thousand, seven hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 30169 60338 150845 301690 512873 1025746 2564365 5128730