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1660530532 = 22616805453
BaseRepresentation
bin110001011111001…
…1010111101100100
311021201120200122211
41202332122331210
511400043434112
6432434533204
756102163613
oct14276327544
94251520584
101660530532
11782365191
123a4137204
1320603a35b
1411a76d87a
159aba90a7
hex62f9af64

1660530532 has 12 divisors (see below), whose sum is σ = 2953567036. Its totient is φ = 816654240.

The previous prime is 1660530503. The next prime is 1660530577. The reversal of 1660530532 is 2350350661.

It can be written as a sum of positive squares in 2 ways, for example, as 103754596 + 1556775936 = 10186^2 + 39456^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1660530494 and 1660530503.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3402483 + ... + 3402970.

Almost surely, 21660530532 is an apocalyptic number.

It is an amenable number.

1660530532 is a deficient number, since it is larger than the sum of its proper divisors (1293036504).

1660530532 is a wasteful number, since it uses less digits than its factorization.

1660530532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6805518 (or 6805516 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 1660530532 is about 40749.6077527134. The cubic root of 1660530532 is about 1184.1742737523.

The spelling of 1660530532 in words is "one billion, six hundred sixty million, five hundred thirty thousand, five hundred thirty-two".

Divisors: 1 2 4 61 122 244 6805453 13610906 27221812 415132633 830265266 1660530532