Search a number
-
+
1250000200 = 23529764433
BaseRepresentation
bin100101010000001…
…0111110101001000
310020010002120220201
41022200113311020
510030000001300
6324011501544
742655553311
oct11240276510
93203076821
101250000200
11591657719
122aa7578b4
1316bc7c9b7
14bc027608
1574b1566a
hex4a817d48

1250000200 has 48 divisors (see below), whose sum is σ = 2936257380. Its totient is φ = 494837760.

The previous prime is 1250000161. The next prime is 1250000207. The reversal of 1250000200 is 20000521.

It can be written as a sum of positive squares in 6 ways, for example, as 390220516 + 859779684 = 19754^2 + 29322^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (1250000207) by changing a digit.

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, 12817 + ... + 51616.

Almost surely, 21250000200 is an apocalyptic number.

1250000200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1250000200 is an abundant number, since it is smaller than the sum of its proper divisors (1686257180).

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

1250000200 is a wasteful number, since it uses less digits than its factorization.

1250000200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64546 (or 64537 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 1250000200 is about 35355.3418877544. The cubic root of 1250000200 is about 1077.2174024675.

Adding to 1250000200 its reverse (20000521), we get a palindrome (1270000721).

The spelling of 1250000200 in words is "one billion, two hundred fifty million, two hundred", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 20 25 40 50 97 100 194 200 388 485 776 970 1940 2425 3880 4850 9700 19400 64433 128866 257732 322165 515464 644330 1288660 1610825 2577320 3221650 6250001 6443300 12500002 12886600 25000004 31250005 50000008 62500010 125000020 156250025 250000040 312500050 625000100 1250000200