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1481485 = 51811637
BaseRepresentation
bin101101001101100001101
32210021012211
411221230031
5334401420
651430421
715410125
oct5515415
92707184
101481485
11922075
125b5411
133cb425
142a7c85
151e3e5a
hex169b0d

1481485 has 8 divisors (see below), whose sum is σ = 1788696. Its totient is φ = 1177920.

The previous prime is 1481483. The next prime is 1481489. The reversal of 1481485 is 5841841.

It can be written as a sum of positive squares in 4 ways, for example, as 149769 + 1331716 = 387^2 + 1154^2 .

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

It is not a de Polignac number, because 1481485 - 21 = 1481483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481483) 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 7 ways as a sum of consecutive naturals, for example, 87 + ... + 1723.

It is an arithmetic number, because the mean of its divisors is an integer number (223587).

21481485 is an apocalyptic number.

It is an amenable number.

1481485 is a deficient number, since it is larger than the sum of its proper divisors (307211).

1481485 is a wasteful number, since it uses less digits than its factorization.

1481485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823.

The product of its digits is 5120, while the sum is 31.

The square root of 1481485 is about 1217.1626842785. The cubic root of 1481485 is about 113.9984866938.

The spelling of 1481485 in words is "one million, four hundred eighty-one thousand, four hundred eighty-five".

Divisors: 1 5 181 905 1637 8185 296297 1481485