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1225848 = 233133929
BaseRepresentation
bin100101011010001111000
32022021112210
410223101320
5303211343
642135120
713263621
oct4532170
92267483
101225848
11767aa8
124b14a0
1333bc70
1423ca48
15193333
hex12b478

1225848 has 32 divisors (see below), whose sum is σ = 3301200. Its totient is φ = 377088.

The previous prime is 1225817. The next prime is 1225849. The reversal of 1225848 is 8485221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1653 + ... + 2276.

21225848 is an apocalyptic number.

It is an amenable number.

1225848 is an abundant number, since it is smaller than the sum of its proper divisors (2075352).

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

1225848 is a wasteful number, since it uses less digits than its factorization.

1225848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3951 (or 3947 counting only the distinct ones).

The product of its digits is 5120, while the sum is 30.

The square root of 1225848 is about 1107.1802021351. The cubic root of 1225848 is about 107.0234321407.

The spelling of 1225848 in words is "one million, two hundred twenty-five thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 3929 7858 11787 15716 23574 31432 47148 51077 94296 102154 153231 204308 306462 408616 612924 1225848