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1085764 = 225212
BaseRepresentation
bin100001001000101000100
32001011101111
410021011010
5234221024
635134404
712141331
oct4110504
92034344
101085764
11681829
12444404
132c0284
14203988
15166a94
hex109144

1085764 has 9 divisors (see below), whose sum is σ = 1903741. Its totient is φ = 541840.

The previous prime is 1085753. The next prime is 1085767. The reversal of 1085764 is 4675801.

The square root of 1085764 is 1042.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 311364 + 774400 = 558^2 + 880^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1085767) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1824 + ... + 2344.

21085764 is an apocalyptic number.

1085764 is the 1042-nd square number.

It is an amenable number.

1085764 is a deficient number, since it is larger than the sum of its proper divisors (817977).

1085764 is an frugal number, since it uses more digits than its factorization.

1085764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The cubic root of 1085764 is about 102.7807571465.

It can be divided in two parts, 1085 and 764, that added together give a square (1849 = 432).

The spelling of 1085764 in words is "one million, eighty-five thousand, seven hundred sixty-four".

Divisors: 1 2 4 521 1042 2084 271441 542882 1085764