Search a number
-
+
868723324 = 227174342443
BaseRepresentation
bin110011110001111…
…010101001111100
32020112122201100221
4303301322221330
53234343121244
6222111431124
730346012030
oct6361725174
92215581327
10868723324
1140640a767
12202b254a4
1310ac95591
14835381c0
15513ee784
hex33c7aa7c

868723324 has 48 divisors (see below), whose sum is σ = 1882476288. Its totient is φ = 342252288.

The previous prime is 868723319. The next prime is 868723327. The reversal of 868723324 is 423327868.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868723327) 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, 754 + ... + 41689.

It is an arithmetic number, because the mean of its divisors is an integer number (39218256).

Almost surely, 2868723324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 868723324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (941238144).

868723324 is an abundant number, since it is smaller than the sum of its proper divisors (1013752964).

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

868723324 is a wasteful number, since it uses less digits than its factorization.

868723324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42514 (or 42512 counting only the distinct ones).

The product of its digits is 387072, while the sum is 43.

The square root of 868723324 is about 29474.1127771473. The cubic root of 868723324 is about 954.1730820601.

The spelling of 868723324 in words is "eight hundred sixty-eight million, seven hundred twenty-three thousand, three hundred twenty-four".

Divisors: 1 2 4 7 14 17 28 34 43 68 86 119 172 238 301 476 602 731 1204 1462 2924 5117 10234 20468 42443 84886 169772 297101 594202 721531 1188404 1443062 1825049 2886124 3650098 5050717 7300196 10101434 12775343 20202868 25550686 31025833 51101372 62051666 124103332 217180831 434361662 868723324