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814469929 = 71315595741
BaseRepresentation
bin110000100010111…
…101001100101001
32002202120100200221
4300202331030221
53132001014204
6212452530041
726116610620
oct6042751451
92082510627
10814469929
11388824349
121a8920921
13cc97b190
147a2546b7
154b784654
hex308bd329

814469929 has 16 divisors (see below), whose sum is σ = 1003242240. Its totient is φ = 643890240.

The previous prime is 814469927. The next prime is 814469939. The reversal of 814469929 is 929964418.

It is not a de Polignac number, because 814469929 - 21 = 814469927 is a prime.

It is a super-2 number, since 2×8144699292 = 1326722530490530082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (814469927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138999 + ... + 144739.

It is an arithmetic number, because the mean of its divisors is an integer number (62702640).

Almost surely, 2814469929 is an apocalyptic number.

It is an amenable number.

814469929 is a deficient number, since it is larger than the sum of its proper divisors (188772311).

814469929 is a wasteful number, since it uses less digits than its factorization.

814469929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7320.

The product of its digits is 1119744, while the sum is 52.

The square root of 814469929 is about 28538.9195485744. The cubic root of 814469929 is about 933.8813120371.

The spelling of 814469929 in words is "eight hundred fourteen million, four hundred sixty-nine thousand, nine hundred twenty-nine".

Divisors: 1 7 13 91 1559 5741 10913 20267 40187 74633 141869 522431 8950219 62651533 116352847 814469929