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1225703425 = 52166729411
BaseRepresentation
bin100100100001110…
…1100000000000001
310011102101012000011
41021003230000001
510002240002200
6321343024521
742242210242
oct11103540001
93142335004
101225703425
11579972141
122a259b141
13166c238cb
14b8b00cc9
15729165ba
hex490ec001

1225703425 has 12 divisors (see below), whose sum is σ = 1520835696. Its totient is φ = 979941200.

The previous prime is 1225703393. The next prime is 1225703441. The reversal of 1225703425 is 5243075221.

It is not a de Polignac number, because 1225703425 - 25 = 1225703393 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26970 + ... + 56380.

It is an arithmetic number, because the mean of its divisors is an integer number (126736308).

Almost surely, 21225703425 is an apocalyptic number.

It is an amenable number.

1225703425 is a deficient number, since it is larger than the sum of its proper divisors (295132271).

1225703425 is a wasteful number, since it uses less digits than its factorization.

1225703425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31088 (or 31083 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 1225703425 is about 35010.0474864002. The cubic root of 1225703425 is about 1070.1922457147.

Adding to 1225703425 its reverse (5243075221), we get a palindrome (6468778646).

The spelling of 1225703425 in words is "one billion, two hundred twenty-five million, seven hundred three thousand, four hundred twenty-five".

Divisors: 1 5 25 1667 8335 29411 41675 147055 735275 49028137 245140685 1225703425