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2605968 = 243218097
BaseRepresentation
bin1001111100001110010000
311220101201100
421330032100
51131342333
6131504400
731102401
oct11741620
94811640
102605968
11151a9a2
12a58100
137031c1
144bb9a8
15367213
hex27c390

2605968 has 30 divisors (see below), whose sum is σ = 7293494. Its totient is φ = 868608.

The previous prime is 2605949. The next prime is 2605979. The reversal of 2605968 is 8695062.

2605968 is a `hidden beast` number, since 2 + 60 + 596 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1774224 + 831744 = 1332^2 + 912^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8905 + ... + 9192.

22605968 is an apocalyptic number.

It is an amenable number.

2605968 is an abundant number, since it is smaller than the sum of its proper divisors (4687526).

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

2605968 is a wasteful number, since it uses less digits than its factorization.

2605968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18111 (or 18102 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2605968 is about 1614.3010871582. The cubic root of 2605968 is about 137.6120167079.

The spelling of 2605968 in words is "two million, six hundred five thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 18097 36194 54291 72388 108582 144776 162873 217164 289552 325746 434328 651492 868656 1302984 2605968