Search a number
-
+
1012200424 = 23711782043
BaseRepresentation
bin111100010101001…
…111001111101000
32121112122002221121
4330111033033220
54033110403144
6244234545024
734040363434
oct7425171750
92545562847
101012200424
1147a3a7184
12242b98174
1313191c481
14986059c4
155dce1384
hex3c54f3e8

1012200424 has 16 divisors (see below), whose sum is σ = 1924607520. Its totient is φ = 498971760.

The previous prime is 1012200391. The next prime is 1012200439. The reversal of 1012200424 is 4240022101.

It is a junction number, because it is equal to n+sod(n) for n = 1012200398 and 1012200407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 890454 + ... + 891589.

It is an arithmetic number, because the mean of its divisors is an integer number (120287970).

Almost surely, 21012200424 is an apocalyptic number.

It is an amenable number.

1012200424 is a deficient number, since it is larger than the sum of its proper divisors (912407096).

1012200424 is a wasteful number, since it uses less digits than its factorization.

1012200424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782120 (or 1782116 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1012200424 is about 31815.0974224502. The cubic root of 1012200424 is about 1004.0503802701.

Adding to 1012200424 its reverse (4240022101), we get a palindrome (5252222525).

The spelling of 1012200424 in words is "one billion, twelve million, two hundred thousand, four hundred twenty-four".

Divisors: 1 2 4 8 71 142 284 568 1782043 3564086 7128172 14256344 126525053 253050106 506100212 1012200424