Search a number
-
+
105231344 = 2461137787
BaseRepresentation
bin1100100010110…
…11001111110000
321100000022021012
412101123033300
5203414400334
614235250052
72415310631
oct621331760
9240008235
10105231344
1154444959
122b2a9928
1318a5598a
14dd93888
1593899ce
hex645b3f0

105231344 has 40 divisors (see below), whose sum is σ = 209005968. Its totient is φ = 51310080.

The previous prime is 105231337. The next prime is 105231349. The reversal of 105231344 is 443132501.

It is a super-2 number, since 2×1052313442 = 22147271520092672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105231349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133319 + ... + 134105.

Almost surely, 2105231344 is an apocalyptic number.

It is an amenable number.

105231344 is a deficient number, since it is larger than the sum of its proper divisors (103774624).

105231344 is a wasteful number, since it uses less digits than its factorization.

105231344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993 (or 987 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 105231344 is about 10258.2329862409. The cubic root of 105231344 is about 472.1156233067.

Adding to 105231344 its reverse (443132501), we get a palindrome (548363845).

The spelling of 105231344 in words is "one hundred five million, two hundred thirty-one thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 61 122 137 244 274 488 548 787 976 1096 1574 2192 3148 6296 8357 12592 16714 33428 48007 66856 96014 107819 133712 192028 215638 384056 431276 768112 862552 1725104 6576959 13153918 26307836 52615672 105231344