Search a number
-
+
2155364496 = 243252128729
BaseRepresentation
bin1000000001111000…
…0100000010010000
312120012200212020200
42000132010002100
513403233130441
6553512535200
7104261203335
oct20036040220
95505625220
102155364496
11a0671327a
125019b1500
13284703c0c
1416637c98c
15c93517b6
hex80784090

2155364496 has 60 divisors (see below), whose sum is σ = 6043815180. Its totient is φ = 717050880.

The previous prime is 2155364483. The next prime is 2155364513. The reversal of 2155364496 is 6944635512.

2155364496 is a `hidden beast` number, since 2 + 1 + 553 + 6 + 4 + 4 + 96 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 706496400 + 1448868096 = 26580^2 + 38064^2 .

It is a super-2 number, since 2×21553644962 = 9291192221234668032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60660 + ... + 89388.

It is an arithmetic number, because the mean of its divisors is an integer number (100730253).

Almost surely, 22155364496 is an apocalyptic number.

It is an amenable number.

2155364496 is an abundant number, since it is smaller than the sum of its proper divisors (3888450684).

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

2155364496 is a wasteful number, since it uses less digits than its factorization.

2155364496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29264 (or 29255 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 2155364496 is about 46425.9032868505. The cubic root of 2155364496 is about 1291.7354396366.

The spelling of 2155364496 in words is "two billion, one hundred fifty-five million, three hundred sixty-four thousand, four hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 521 1042 1563 2084 3126 4168 4689 6252 8336 9378 12504 18756 25008 28729 37512 57458 75024 86187 114916 172374 229832 258561 344748 459664 517122 689496 1034244 1378992 2068488 4136976 14967809 29935618 44903427 59871236 89806854 119742472 134710281 179613708 239484944 269420562 359227416 538841124 718454832 1077682248 2155364496