Search a number
-
+
1033225225 = 521913915649
BaseRepresentation
bin111101100101011…
…100010000001001
32200000012021112221
4331211130100021
54104001201400
6250305334041
734414161304
oct7545342011
92600167487
101033225225
1149025744a
1224a037321
131360a1196
149b319b3b
1560a95c1a
hex3d95c409

1033225225 has 24 divisors (see below), whose sum is σ = 1358420000. Its totient is φ = 777392640.

The previous prime is 1033225223. The next prime is 1033225229. The reversal of 1033225225 is 5225223301.

It is not a de Polignac number, because 1033225225 - 21 = 1033225223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 1033225225.

It is not an unprimeable number, because it can be changed into a prime (1033225223) 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, 58201 + ... + 73849.

Almost surely, 21033225225 is an apocalyptic number.

It is an amenable number.

1033225225 is a deficient number, since it is larger than the sum of its proper divisors (325194775).

1033225225 is a wasteful number, since it uses less digits than its factorization.

1033225225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15817 (or 15812 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1033225225 is about 32143.8209458677. The cubic root of 1033225225 is about 1010.9546328199.

Adding to 1033225225 its reverse (5225223301), we get a palindrome (6258448526).

The spelling of 1033225225 in words is "one billion, thirty-three million, two hundred twenty-five thousand, two hundred twenty-five".

Divisors: 1 5 19 25 95 139 475 695 2641 3475 13205 15649 66025 78245 297331 391225 1486655 2175211 7433275 10876055 41329009 54380275 206645045 1033225225