Search a number
-
+
1111141420 = 225172192239
BaseRepresentation
bin100001000111010…
…1010110000101100
32212102210211110221
41002032222300230
54233423011140
6302131341124
736351355234
oct10216526054
92772724427
101111141420
11520234aa4
122701517a4
13149281c3c
14a77dccc4
156783714a
hex423aac2c

1111141420 has 36 divisors (see below), whose sum is σ = 2478742560. Its totient is φ = 418309888.

The previous prime is 1111141391. The next prime is 1111141439. The reversal of 1111141420 is 241411111.

It is a junction number, because it is equal to n+sod(n) for n = 1111141394 and 1111141403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90340 + ... + 101899.

It is an arithmetic number, because the mean of its divisors is an integer number (68853960).

Almost surely, 21111141420 is an apocalyptic number.

1111141420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111141420 is an abundant number, since it is smaller than the sum of its proper divisors (1367601140).

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

1111141420 is a wasteful number, since it uses less digits than its factorization.

1111141420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192282 (or 192263 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 1111141420 is about 33333.7879635663. The cubic root of 1111141420 is about 1035.7535862421.

Adding to 1111141420 its reverse (241411111), we get a palindrome (1352552531).

The spelling of 1111141420 in words is "one billion, one hundred eleven million, one hundred forty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 289 340 578 1156 1445 2890 5780 192239 384478 768956 961195 1922390 3268063 3844780 6536126 13072252 16340315 32680630 55557071 65361260 111114142 222228284 277785355 555570710 1111141420