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1225452 = 223102121
BaseRepresentation
bin100101011001011101100
32022021000010
410223023230
5303203302
642133220
713262514
oct4531354
92267003
101225452
11767778
124b1210
1333ba27
1423c844
1519316c
hex12b2ec

1225452 has 12 divisors (see below), whose sum is σ = 2859416. Its totient is φ = 408480.

The previous prime is 1225409. The next prime is 1225459. The reversal of 1225452 is 2545221.

It is a happy number.

1225452 is nontrivially palindromic in base 8.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1225459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51049 + ... + 51072.

21225452 is an apocalyptic number.

1225452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1225452 is an abundant number, since it is smaller than the sum of its proper divisors (1633964).

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

1225452 is a wasteful number, since it uses less digits than its factorization.

1225452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102128 (or 102126 counting only the distinct ones).

The product of its digits is 800, while the sum is 21.

The square root of 1225452 is about 1107.0013550127. The cubic root of 1225452 is about 107.0119065564.

The spelling of 1225452 in words is "one million, two hundred twenty-five thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 102121 204242 306363 408484 612726 1225452