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1481636 = 221328493
BaseRepresentation
bin101101001101110100100
32210021102102
411221232210
5334403021
651431232
715410432
oct5515644
92707372
101481636
119221a2
125b5518
133cb510
142a7d52
151e400b
hex169ba4

1481636 has 12 divisors (see below), whose sum is σ = 2792412. Its totient is φ = 683808.

The previous prime is 1481611. The next prime is 1481663. The reversal of 1481636 is 6361841.

It can be written as a sum of positive squares in 2 ways, for example, as 481636 + 1000000 = 694^2 + 1000^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1481599 and 1481608.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14195 + ... + 14298.

It is an arithmetic number, because the mean of its divisors is an integer number (232701).

21481636 is an apocalyptic number.

It is an amenable number.

1481636 is a deficient number, since it is larger than the sum of its proper divisors (1310776).

1481636 is a wasteful number, since it uses less digits than its factorization.

1481636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28510 (or 28508 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 1481636 is about 1217.2247122040. The cubic root of 1481636 is about 114.0023596516.

The spelling of 1481636 in words is "one million, four hundred eighty-one thousand, six hundred thirty-six".

Divisors: 1 2 4 13 26 52 28493 56986 113972 370409 740818 1481636