Search a number
-
+
1354220442 = 2321710934049
BaseRepresentation
bin101000010110111…
…1100001110011010
310111101012112012200
41100231330032122
510233140023232
6342213351030
745362453361
oct12055741632
93441175180
101354220442
11635470953
12319638476
13187740393
14cbbd67d8
157dd5077c
hex50b7c39a

1354220442 has 48 divisors (see below), whose sum is σ = 3110351400. Its totient is φ = 424359936.

The previous prime is 1354220429. The next prime is 1354220443. The reversal of 1354220442 is 2440224531.

1354220442 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1351224081 + 2996361 = 36759^2 + 1731^2 .

It is not an unprimeable number, because it can be changed into a prime (1354220443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 332434 + ... + 336482.

Almost surely, 21354220442 is an apocalyptic number.

1354220442 is an abundant number, since it is smaller than the sum of its proper divisors (1756130958).

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

1354220442 is a wasteful number, since it uses less digits than its factorization.

1354220442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5167 (or 5164 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 1354220442 is about 36799.7342653449. The cubic root of 1354220442 is about 1106.3599730564.

Adding to 1354220442 its reverse (2440224531), we get a palindrome (3794444973).

The spelling of 1354220442 in words is "one billion, three hundred fifty-four million, two hundred twenty thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 1093 2186 3279 4049 6558 8098 9837 12147 18581 19674 24294 36441 37162 55743 68833 72882 111486 137666 167229 206499 334458 412998 619497 1238994 4425557 8851114 13276671 26553342 39830013 75234469 79660026 150468938 225703407 451406814 677110221 1354220442