Search a number
-
+
245030236 = 221153179587
BaseRepresentation
bin11101001101011…
…01110101011100
3122002001211021221
432212231311130
51000211431421
640151503124
76033502603
oct1646556534
9562054257
10245030236
11116349930
126a087aa4
133b9c2609
1424784a3a
15167a1841
hexe9add5c

245030236 has 48 divisors (see below), whose sum is σ = 480090240. Its totient is φ = 108480320.

The previous prime is 245030179. The next prime is 245030237. The reversal of 245030236 is 632030542.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 245030236.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245030237) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 417135 + ... + 417721.

It is an arithmetic number, because the mean of its divisors is an integer number (10001880).

Almost surely, 2245030236 is an apocalyptic number.

It is an amenable number.

245030236 is a deficient number, since it is larger than the sum of its proper divisors (235060004).

245030236 is a wasteful number, since it uses less digits than its factorization.

245030236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834 (or 832 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 245030236 is about 15653.4416662918. The cubic root of 245030236 is about 625.7582145252.

Adding to 245030236 its reverse (632030542), we get a palindrome (877060778).

The spelling of 245030236 in words is "two hundred forty-five million, thirty thousand, two hundred thirty-six".

Divisors: 1 2 4 11 22 44 53 106 179 212 358 583 587 716 1166 1174 1969 2332 2348 3938 6457 7876 9487 12914 18974 25828 31111 37948 62222 104357 105073 124444 208714 210146 342221 417428 420292 684442 1155803 1368884 2311606 4623212 5568869 11137738 22275476 61257559 122515118 245030236