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2755625 = 544409
BaseRepresentation
bin1010100000110000101001
312012000000012
422200300221
51201140000
6135021305
732264615
oct12406051
95160005
102755625
111612384
12b0a835
13756362
1451a345
15396735
hex2a0c29

2755625 has 10 divisors (see below), whose sum is σ = 3444210. Its totient is φ = 2204000.

The previous prime is 2755619. The next prime is 2755633. The reversal of 2755625 is 5265572.

It can be written as a sum of positive squares in 5 ways, for example, as 1771561 + 984064 = 1331^2 + 992^2 .

It is not a de Polignac number, because 2755625 - 28 = 2755369 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2755591 and 2755600.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1580 + ... + 2829.

It is an arithmetic number, because the mean of its divisors is an integer number (344421).

22755625 is an apocalyptic number.

2755625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2755625 is a deficient number, since it is larger than the sum of its proper divisors (688585).

2755625 is an frugal number, since it uses more digits than its factorization.

2755625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4429 (or 4414 counting only the distinct ones).

The product of its digits is 21000, while the sum is 32.

The square root of 2755625 is about 1660.0075301034. The cubic root of 2755625 is about 140.1974255447.

It can be divided in two parts, 27556 and 25, that multiplied together give a square (688900 = 8302).

The spelling of 2755625 in words is "two million, seven hundred fifty-five thousand, six hundred twenty-five".

Divisors: 1 5 25 125 625 4409 22045 110225 551125 2755625