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530186386 = 22311525791
BaseRepresentation
bin11111100110100…
…000000010010010
31100221122020222211
4133212200002102
52041211431021
6124335422334
716065336622
oct3746400222
91327566884
10530186386
11252304974
121296849aa
1385ac3b72
14505b2882
153182c3e1
hex1f9a0092

530186386 has 8 divisors (see below), whose sum is σ = 829857024. Its totient is φ = 253567380.

The previous prime is 530186369. The next prime is 530186389. The reversal of 530186386 is 683681035.

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 (530186389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5762850 + ... + 5762941.

It is an arithmetic number, because the mean of its divisors is an integer number (103732128).

Almost surely, 2530186386 is an apocalyptic number.

530186386 is a deficient number, since it is larger than the sum of its proper divisors (299670638).

530186386 is a wasteful number, since it uses less digits than its factorization.

530186386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11525816.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 530186386 is about 23025.7765558515. The cubic root of 530186386 is about 809.3620877991.

The spelling of 530186386 in words is "five hundred thirty million, one hundred eighty-six thousand, three hundred eighty-six".

Divisors: 1 2 23 46 11525791 23051582 265093193 530186386