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864830694 = 237213713187
BaseRepresentation
bin110011100011000…
…100010011100110
32020021022221200110
4303203010103212
53232344040234
6221452153450
730300640200
oct6343042346
92207287613
10864830694
114041a1112
12201768886
1310a231850
1482c03770
1550dd11e9
hex338c44e6

864830694 has 96 divisors (see below), whose sum is σ = 2198036736. Its totient is φ = 224804160.

The previous prime is 864830693. The next prime is 864830719. The reversal of 864830694 is 496038468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864830693) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 269769 + ... + 272955.

It is an arithmetic number, because the mean of its divisors is an integer number (22896216).

Almost surely, 2864830694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 864830694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1099018368).

864830694 is an abundant number, since it is smaller than the sum of its proper divisors (1333206042).

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

864830694 is a wasteful number, since it uses less digits than its factorization.

864830694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3290 (or 3283 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 48.

The square root of 864830694 is about 29408.0039105003. The cubic root of 864830694 is about 952.7457751973.

The spelling of 864830694 in words is "eight hundred sixty-four million, eight hundred thirty thousand, six hundred ninety-four".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 49 71 78 91 98 142 147 182 213 273 294 426 497 546 637 923 994 1274 1491 1846 1911 2769 2982 3187 3479 3822 5538 6374 6461 6958 9561 10437 12922 19122 19383 20874 22309 38766 41431 44618 45227 66927 82862 90454 124293 133854 135681 156163 226277 248586 271362 290017 312326 452554 468489 580034 678831 870051 936978 1357662 1583939 1740102 2030119 2941601 3167878 4060238 4751817 5883202 6090357 8824803 9503634 11087573 12180714 17649606 20591207 22175146 33262719 41182414 61773621 66525438 123547242 144138449 288276898 432415347 864830694