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814889052 = 22337545269
BaseRepresentation
bin110000100100100…
…011100001011100
32002210100122122000
4300210203201130
53132102422202
6212505522300
726123304555
oct6044434134
92083318560
10814889052
11388a9022a
121a8aa3390
13cca96b93
147a32332c
154b81891c
hex3092385c

814889052 has 24 divisors (see below), whose sum is σ = 2112675600. Its totient is φ = 271629648.

The previous prime is 814889051. The next prime is 814889059. The reversal of 814889052 is 250988418.

It is a happy number.

814889052 is a `hidden beast` number, since 81 + 488 + 90 + 5 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 814888989 and 814889007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814889051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3772527 + ... + 3772742.

It is an arithmetic number, because the mean of its divisors is an integer number (88028150).

Almost surely, 2814889052 is an apocalyptic number.

It is an amenable number.

814889052 is an abundant number, since it is smaller than the sum of its proper divisors (1297786548).

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

814889052 is a wasteful number, since it uses less digits than its factorization.

814889052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7545282 (or 7545274 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The square root of 814889052 is about 28546.2616116366. The cubic root of 814889052 is about 934.0414751088.

The spelling of 814889052 in words is "eight hundred fourteen million, eight hundred eighty-nine thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 7545269 15090538 22635807 30181076 45271614 67907421 90543228 135814842 203722263 271629684 407444526 814889052