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1481385 = 35611619
BaseRepresentation
bin101101001101010101001
32210021002010
411221222221
5334401020
651430133
715406623
oct5515251
92707063
101481385
11921a94
125b5349
133cb379
142a7c13
151e3de0
hex169aa9

1481385 has 16 divisors (see below), whose sum is σ = 2410560. Its totient is φ = 776640.

The previous prime is 1481377. The next prime is 1481387. The reversal of 1481385 is 5831841.

It is not a de Polignac number, because 1481385 - 23 = 1481377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1481387) 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 15 ways as a sum of consecutive naturals, for example, 106 + ... + 1724.

It is an arithmetic number, because the mean of its divisors is an integer number (150660).

21481385 is an apocalyptic number.

1481385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1481385 is a deficient number, since it is larger than the sum of its proper divisors (929175).

1481385 is a wasteful number, since it uses less digits than its factorization.

1481385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688.

The product of its digits is 3840, while the sum is 30.

The square root of 1481385 is about 1217.1216044422. The cubic root of 1481385 is about 113.9959216762.

The spelling of 1481385 in words is "one million, four hundred eighty-one thousand, three hundred eighty-five".

Divisors: 1 3 5 15 61 183 305 915 1619 4857 8095 24285 98759 296277 493795 1481385