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2553550 = 25251071
BaseRepresentation
bin1001101111011011001110
311210201210221
421233123032
51123203200
6130421554
730463516
oct11573316
94721727
102553550
11149457a
12a318ba
136b539c
144a6846
1535691a
hex26f6ce

2553550 has 12 divisors (see below), whose sum is σ = 4749696. Its totient is φ = 1021400.

The previous prime is 2553547. The next prime is 2553559. The reversal of 2553550 is 553552.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25486 + ... + 25585.

It is an arithmetic number, because the mean of its divisors is an integer number (395808).

22553550 is an apocalyptic number.

2553550 is a deficient number, since it is larger than the sum of its proper divisors (2196146).

2553550 is a wasteful number, since it uses less digits than its factorization.

2553550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51083 (or 51078 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 25.

The square root of 2553550 is about 1597.9831037905. The cubic root of 2553550 is about 136.6830901011.

The spelling of 2553550 in words is "two million, five hundred fifty-three thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 51071 102142 255355 510710 1276775 2553550