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1836838090 = 25135532
BaseRepresentation
bin110110101111011…
…1110110011001010
311202000100001011101
41231132332303022
512230212304330
6502133452014
763342603043
oct15536766312
94660301141
101836838090
1186293570a
124331a100a
1323371a659
14135d458ca
15ab3d34ca
hex6d7becca

1836838090 has 12 divisors (see below), whose sum is σ = 3306552534. Its totient is φ = 734681024.

The previous prime is 1836838051. The next prime is 1836838109. The reversal of 1836838090 is 908386381.

1836838090 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 3 ways, for example, as 1787852089 + 48986001 = 42283^2 + 6999^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1836838090.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128754 + ... + 142306.

Almost surely, 21836838090 is an apocalyptic number.

1836838090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1836838090 is a deficient number, since it is larger than the sum of its proper divisors (1469714444).

1836838090 is an frugal number, since it uses more digits than its factorization.

1836838090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27113 (or 13560 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 1836838090 is about 42858.3491282620. The cubic root of 1836838090 is about 1224.6828200062.

The spelling of 1836838090 in words is "one billion, eight hundred thirty-six million, eight hundred thirty-eight thousand, ninety".

Divisors: 1 2 5 10 13553 27106 67765 135530 183683809 367367618 918419045 1836838090