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1669960852 = 22759641459
BaseRepresentation
bin110001110001001…
…1001010010010100
311022101022210121221
41203202121102110
511410002221402
6433413020124
756245301350
oct14342312224
94271283557
101669960852
1178771633a
123a7324644
13207c8c821
1411bb06460
159b91d337
hex63899494

1669960852 has 12 divisors (see below), whose sum is σ = 3339921760. Its totient is φ = 715697496.

The previous prime is 1669960841. The next prime is 1669960867. The reversal of 1669960852 is 2580699661.

1669960852 is an admirable number.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1669960852.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 29820702 + ... + 29820757.

Almost surely, 21669960852 is an apocalyptic number.

It is an amenable number.

1669960852 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1669960852 is a wasteful number, since it uses less digits than its factorization.

1669960852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59641470 (or 59641468 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 52.

The square root of 1669960852 is about 40865.1544962209. The cubic root of 1669960852 is about 1186.4117251356.

The spelling of 1669960852 in words is "one billion, six hundred sixty-nine million, nine hundred sixty thousand, eight hundred fifty-two".

Divisors: 1 2 4 7 14 28 59641459 119282918 238565836 417490213 834980426 1669960852