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1890000682 = 2945000341
BaseRepresentation
bin111000010100111…
…0001111100101010
311212201100222112021
41300221301330222
512332320010212
6511313135054
764556512033
oct16051617452
94781328467
101890000682
1188a946539
12448b5a48a
132417423cb
1413d023a8a
15b0dd5307
hex70a71f2a

1890000682 has 4 divisors (see below), whose sum is σ = 2835001026. Its totient is φ = 945000340.

The previous prime is 1890000649. The next prime is 1890000683. The reversal of 1890000682 is 2860000981.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1169024481 + 720976201 = 34191^2 + 26851^2 .

It is not an unprimeable number, because it can be changed into a prime (1890000683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472500169 + ... + 472500172.

Almost surely, 21890000682 is an apocalyptic number.

1890000682 is a deficient number, since it is larger than the sum of its proper divisors (945000344).

1890000682 is an equidigital number, since it uses as much as digits as its factorization.

1890000682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945000343.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 1890000682 is about 43474.1380823128. The cubic root of 1890000682 is about 1236.3857386577.

The spelling of 1890000682 in words is "one billion, eight hundred ninety million, six hundred eighty-two", and thus it is an aban number.

Divisors: 1 2 945000341 1890000682