Search a number
-
+
8343193390 = 25710710211091
BaseRepresentation
bin1111100010100101…
…10000011100101110
3210112110012010201121
413301102300130232
5114041324142030
63455515331154
7413515654660
oct76122603456
923473163647
108343193390
1135a1573754
12174a150aba
13a2c68512c
145920c2530
1533c6dc47a
hex1f14b072e

8343193390 has 64 divisors (see below), whose sum is σ = 17356405248. Its totient is φ = 2828419200.

The previous prime is 8343193373. The next prime is 8343193393. The reversal of 8343193390 is 933913438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8343193393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7646745 + ... + 7647835.

It is an arithmetic number, because the mean of its divisors is an integer number (271193832).

Almost surely, 28343193390 is an apocalyptic number.

8343193390 is an abundant number, since it is smaller than the sum of its proper divisors (9013211858).

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

8343193390 is a wasteful number, since it uses less digits than its factorization.

8343193390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233.

The product of its (nonzero) digits is 209952, while the sum is 43.

The square root of 8343193390 is about 91341.0827065237. The cubic root of 8343193390 is about 2028.1999614475.

The spelling of 8343193390 in words is "eight billion, three hundred forty-three million, one hundred ninety-three thousand, three hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 107 214 535 749 1021 1070 1091 1498 2042 2182 3745 5105 5455 7147 7490 7637 10210 10910 14294 15274 35735 38185 71470 76370 109247 116737 218494 233474 546235 583685 764729 817159 1092470 1113911 1167370 1529458 1634318 2227822 3823645 4085795 5569555 7647290 7797377 8171590 11139110 15594754 38986885 77973770 119188477 238376954 595942385 834319339 1191884770 1668638678 4171596695 8343193390