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1814131704 = 233721131961
BaseRepresentation
bin110110000100001…
…0111001111111000
311200102121102212010
41230020113033320
512203404203304
6500003045520
762645602500
oct15410271770
94612542763
101814131704
11851037000
124276708a0
1322baca418
14132d14a00
15a93ea789
hex6c2173f8

1814131704 has 384 divisors, whose sum is σ = 6208531200. Its totient is φ = 439084800.

The previous prime is 1814131639. The next prime is 1814131741. The reversal of 1814131704 is 4071314181.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 29739834 + ... + 29739894.

It is an arithmetic number, because the mean of its divisors is an integer number (16168050).

Almost surely, 21814131704 is an apocalyptic number.

1814131704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1814131704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3104265600).

1814131704 is an abundant number, since it is smaller than the sum of its proper divisors (4394399496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1814131704 is a wasteful number, since it uses less digits than its factorization.

1814131704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 1814131704 is about 42592.6249954144. The cubic root of 1814131704 is about 1219.6155072521.

Adding to 1814131704 its reverse (4071314181), we get a palindrome (5885445885).

The spelling of 1814131704 in words is "one billion, eight hundred fourteen million, one hundred thirty-one thousand, seven hundred four".