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1226485 = 51318869
BaseRepresentation
bin100101011011011110101
32022022102101
410223123311
5303221420
642142101
713265521
oct4533365
92268371
101226485
11768527
124b1931
1333c340
1423cd81
1519360a
hex12b6f5

1226485 has 8 divisors (see below), whose sum is σ = 1585080. Its totient is φ = 905664.

The previous prime is 1226483. The next prime is 1226501. The reversal of 1226485 is 5846221.

It can be written as a sum of positive squares in 4 ways, for example, as 228484 + 998001 = 478^2 + 999^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1226485 - 21 = 1226483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9370 + ... + 9499.

It is an arithmetic number, because the mean of its divisors is an integer number (198135).

21226485 is an apocalyptic number.

It is an amenable number.

1226485 is a deficient number, since it is larger than the sum of its proper divisors (358595).

1226485 is a wasteful number, since it uses less digits than its factorization.

1226485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18887.

The product of its digits is 3840, while the sum is 28.

The square root of 1226485 is about 1107.4678324900. The cubic root of 1226485 is about 107.0419668261.

It can be divided in two parts, 1226 and 485, that added together give a triangular number (1711 = T58).

The spelling of 1226485 in words is "one million, two hundred twenty-six thousand, four hundred eighty-five".

Divisors: 1 5 13 65 18869 94345 245297 1226485