Search a number
-
+
1828917490 = 25182891749
BaseRepresentation
bin110110100000011…
…0001000011110010
311201110102122010211
41231000301003302
512221200324430
6501252014334
763215353651
oct15500610362
94643378124
101828917490
11859415864
124306013aa
13231ba63ca
14134c83198
15aa86b72a
hex6d0310f2

1828917490 has 8 divisors (see below), whose sum is σ = 3292051500. Its totient is φ = 731566992.

The previous prime is 1828917487. The next prime is 1828917499. The reversal of 1828917490 is 947198281.

1828917490 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1800220041 + 28697449 = 42429^2 + 5357^2 .

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

It is a super-3 number, since 3×18289174903 (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1828917499) 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, 91445865 + ... + 91445884.

Almost surely, 21828917490 is an apocalyptic number.

1828917490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1828917490 is a deficient number, since it is larger than the sum of its proper divisors (1463134010).

1828917490 is a wasteful number, since it uses less digits than its factorization.

1828917490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182891756.

The product of its (nonzero) digits is 290304, while the sum is 49.

The square root of 1828917490 is about 42765.8448998731. The cubic root of 1828917490 is about 1222.9199720231.

The spelling of 1828917490 in words is "one billion, eight hundred twenty-eight million, nine hundred seventeen thousand, four hundred ninety".

Divisors: 1 2 5 10 182891749 365783498 914458745 1828917490