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1481660 = 225233221
BaseRepresentation
bin101101001101110111100
32210021110022
411221232330
5334403120
651431312
715410465
oct5515674
92707408
101481660
11922214
125b5538
133cb52b
142a7d6c
151e4025
hex169bbc

1481660 has 24 divisors (see below), whose sum is σ = 3247776. Its totient is φ = 566720.

The previous prime is 1481611. The next prime is 1481663. The reversal of 1481660 is 661841.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481663) 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, 1151 + ... + 2070.

It is an arithmetic number, because the mean of its divisors is an integer number (135324).

21481660 is an apocalyptic number.

1481660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1481660 is an abundant number, since it is smaller than the sum of its proper divisors (1766116).

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

1481660 is a wasteful number, since it uses less digits than its factorization.

1481660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3253 (or 3251 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1481660 is about 1217.2345706560. The cubic root of 1481660 is about 114.0029751968.

The spelling of 1481660 in words is "one million, four hundred eighty-one thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 3221 6442 12884 16105 32210 64420 74083 148166 296332 370415 740830 1481660