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812986934 = 21923930191
BaseRepresentation
bin110000011101010…
…011001000110110
32002122210000102012
4300131103020312
53131111040214
6212401044222
726101163204
oct6035231066
92078700365
10812986934
11387a01131
121a8326672
13cc57c176
1479d8a074
154b59003e
hex30753236

812986934 has 16 divisors (see below), whose sum is σ = 1339476480. Its totient is φ = 368355240.

The previous prime is 812986927. The next prime is 812986949. The reversal of 812986934 is 439689218.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464222 + ... + 465969.

It is an arithmetic number, because the mean of its divisors is an integer number (83717280).

Almost surely, 2812986934 is an apocalyptic number.

812986934 is a deficient number, since it is larger than the sum of its proper divisors (526489546).

812986934 is a wasteful number, since it uses less digits than its factorization.

812986934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930235.

The product of its digits is 746496, while the sum is 50.

The square root of 812986934 is about 28512.9257355326. The cubic root of 812986934 is about 933.3141608590.

The spelling of 812986934 in words is "eight hundred twelve million, nine hundred eighty-six thousand, nine hundred thirty-four".

Divisors: 1 2 19 23 38 46 437 874 930191 1860382 17673629 21394393 35347258 42788786 406493467 812986934