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1225494 = 232103661
BaseRepresentation
bin100101011001100010110
32022021001200
410223030112
5303203434
642133330
713262604
oct4531426
92267050
101225494
11767806
124b1246
1333ba5a
1423c874
15193199
hex12b316

1225494 has 24 divisors (see below), whose sum is σ = 2685072. Its totient is φ = 403920.

The previous prime is 1225493. The next prime is 1225501. The reversal of 1225494 is 4945221.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1524 + ... + 2184.

It is an arithmetic number, because the mean of its divisors is an integer number (111878).

21225494 is an apocalyptic number.

1225494 is an abundant number, since it is smaller than the sum of its proper divisors (1459578).

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

1225494 is a wasteful number, since it uses less digits than its factorization.

1225494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772 (or 769 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 1225494 is about 1107.0203250167. The cubic root of 1225494 is about 107.0131290845.

The spelling of 1225494 in words is "one million, two hundred twenty-five thousand, four hundred ninety-four".

Divisors: 1 2 3 6 9 18 103 206 309 618 661 927 1322 1854 1983 3966 5949 11898 68083 136166 204249 408498 612747 1225494