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386942030 = 251915113487
BaseRepresentation
bin10111000100000…
…100010001001110
3222222002200200022
4113010010101032
51243024121110
6102221302142
712405644606
oct2704042116
9888080608
10386942030
11189467302
12a9704952
136221bba7
1439565c06
1523e84755
hex1710444e

386942030 has 32 divisors (see below), whose sum is σ = 738063360. Its totient is φ = 145648800.

The previous prime is 386941999. The next prime is 386942053. The reversal of 386942030 is 30249683.

It is a happy number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 21947 + ... + 35433.

It is an arithmetic number, because the mean of its divisors is an integer number (23064480).

Almost surely, 2386942030 is an apocalyptic number.

386942030 is a deficient number, since it is larger than the sum of its proper divisors (351121330).

386942030 is a wasteful number, since it uses less digits than its factorization.

386942030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13664.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 386942030 is about 19670.8421273722. The cubic root of 386942030 is about 728.6997747014.

The spelling of 386942030 in words is "three hundred eighty-six million, nine hundred forty-two thousand, thirty".

Divisors: 1 2 5 10 19 38 95 151 190 302 755 1510 2869 5738 13487 14345 26974 28690 67435 134870 256253 512506 1281265 2036537 2562530 4073074 10182685 20365370 38694203 77388406 193471015 386942030