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2561027 = 72315907
BaseRepresentation
bin1001110001010000000011
311211010001212
421301100003
51123423102
6130520335
730524360
oct11612003
94733055
102561027
11149a157
12a360ab
136b8901
144a9467
15358c52
hex271403

2561027 has 8 divisors (see below), whose sum is σ = 3054336. Its totient is φ = 2099592.

The previous prime is 2561023. The next prime is 2561051. The reversal of 2561027 is 7201652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2561027 - 22 = 2561023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2560993 and 2561011.

It is not an unprimeable number, because it can be changed into a prime (2561021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7793 + ... + 8114.

It is an arithmetic number, because the mean of its divisors is an integer number (381792).

22561027 is an apocalyptic number.

2561027 is a deficient number, since it is larger than the sum of its proper divisors (493309).

2561027 is a wasteful number, since it uses less digits than its factorization.

2561027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15937.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 2561027 is about 1600.3209053187. The cubic root of 2561027 is about 136.8163664686.

Adding to 2561027 its reverse (7201652), we get a palindrome (9762679).

The spelling of 2561027 in words is "two million, five hundred sixty-one thousand, twenty-seven".

Divisors: 1 7 23 161 15907 111349 365861 2561027