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2540552 = 23726481
BaseRepresentation
bin1001101100010000001000
311210001222112
421230100020
51122244202
6130241452
730410600
oct11542010
94701875
102540552
111485833
12a26288
136ac4b1
144a1c00
15352b52
hex26c408

2540552 has 24 divisors (see below), whose sum is σ = 5542110. Its totient is φ = 1088640.

The previous prime is 2540539. The next prime is 2540563. The reversal of 2540552 is 2550452.

It can be written as a sum of positive squares in only one way, i.e., 1552516 + 988036 = 1246^2 + 994^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2849 + ... + 3632.

22540552 is an apocalyptic number.

It is an amenable number.

2540552 is an abundant number, since it is smaller than the sum of its proper divisors (3001558).

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

2540552 is a wasteful number, since it uses less digits than its factorization.

2540552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6501 (or 6490 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 2540552 is about 1593.9109134453. The cubic root of 2540552 is about 136.4507821680.

The spelling of 2540552 in words is "two million, five hundred forty thousand, five hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 6481 12962 25924 45367 51848 90734 181468 317569 362936 635138 1270276 2540552