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1225245050 = 25224504901
BaseRepresentation
bin100100100000111…
…1100000101111010
310011101111220020022
41021001330011322
510002130320200
6321325130442
742235261001
oct11101740572
93141456208
101225245050
11579689817
122a23b9a22
13166ac3093
14b8a21c38
1572875885
hex4907c17a

1225245050 has 12 divisors (see below), whose sum is σ = 2278955886. Its totient is φ = 490098000.

The previous prime is 1225245037. The next prime is 1225245089. The reversal of 1225245050 is 505425221.

It can be written as a sum of positive squares in 3 ways, for example, as 1197229201 + 28015849 = 34601^2 + 5293^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12252401 + ... + 12252500.

Almost surely, 21225245050 is an apocalyptic number.

1225245050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1225245050 is a deficient number, since it is larger than the sum of its proper divisors (1053710836).

1225245050 is a wasteful number, since it uses less digits than its factorization.

1225245050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24504913 (or 24504908 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 1225245050 is about 35003.5005392318. The cubic root of 1225245050 is about 1070.0588228645.

The spelling of 1225245050 in words is "one billion, two hundred twenty-five million, two hundred forty-five thousand, fifty".

Divisors: 1 2 5 10 25 50 24504901 49009802 122524505 245049010 612622525 1225245050