Search a number
-
+
105147384 = 23343139733
BaseRepresentation
bin1100100010001…
…10101111111000
321022212001002120
412101012233320
5203404204014
614233401240
72414511066
oct621065770
9238761076
10105147384
1154397871
122b269220
1318a266b4
14dd71036
15936eba9
hex6446bf8

105147384 has 64 divisors (see below), whose sum is σ = 271286400. Its totient is φ = 33941376.

The previous prime is 105147373. The next prime is 105147391. The reversal of 105147384 is 483741501.

It is a super-2 number, since 2×1051473842 = 22111944724086912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143082 + ... + 143814.

It is an arithmetic number, because the mean of its divisors is an integer number (4238850).

Almost surely, 2105147384 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 105147384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135643200).

105147384 is an abundant number, since it is smaller than the sum of its proper divisors (166139016).

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

105147384 is a wasteful number, since it uses less digits than its factorization.

105147384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924 (or 920 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 105147384 is about 10254.1398469106. The cubic root of 105147384 is about 471.9900289955.

Adding to 105147384 its reverse (483741501), we get a palindrome (588888885).

The spelling of 105147384 in words is "one hundred five million, one hundred forty-seven thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 24 43 86 129 139 172 258 278 344 417 516 556 733 834 1032 1112 1466 1668 2199 2932 3336 4398 5864 5977 8796 11954 17592 17931 23908 31519 35862 47816 63038 71724 94557 101887 126076 143448 189114 203774 252152 305661 378228 407548 611322 756456 815096 1222644 2445288 4381141 8762282 13143423 17524564 26286846 35049128 52573692 105147384