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1081964 = 221320807
BaseRepresentation
bin100001000001001101100
32000222011202
410020021230
5234110324
635105032
712124262
oct4101154
92028152
101081964
11679994
12442178
132bb620
14202432
151658ae
hex10826c

1081964 has 12 divisors (see below), whose sum is σ = 2039184. Its totient is φ = 499344.

The previous prime is 1081939. The next prime is 1081979. The reversal of 1081964 is 4691801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10352 + ... + 10455.

It is an arithmetic number, because the mean of its divisors is an integer number (169932).

21081964 is an apocalyptic number.

It is an amenable number.

1081964 is a deficient number, since it is larger than the sum of its proper divisors (957220).

1081964 is a wasteful number, since it uses less digits than its factorization.

1081964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20824 (or 20822 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1081964 is about 1040.1749852789. The cubic root of 1081964 is about 102.6607115978.

The spelling of 1081964 in words is "one million, eighty-one thousand, nine hundred sixty-four".

Divisors: 1 2 4 13 26 52 20807 41614 83228 270491 540982 1081964