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2554890 = 235136551
BaseRepresentation
bin1001101111110000001010
311210210122120
421233300022
51123224030
6130432110
730500442
oct11576012
94723576
102554890
111495588
12a32636
136b5b90
144a7122
15357010
hex26fc0a

2554890 has 32 divisors (see below), whose sum is σ = 6604416. Its totient is φ = 628800.

The previous prime is 2554843. The next prime is 2554891. The reversal of 2554890 is 984552.

2554890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2554891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2886 + ... + 3665.

It is an arithmetic number, because the mean of its divisors is an integer number (206388).

22554890 is an apocalyptic number.

2554890 is an abundant number, since it is smaller than the sum of its proper divisors (4049526).

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

2554890 is a wasteful number, since it uses less digits than its factorization.

2554890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6574.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 2554890 is about 1598.4023273256. The cubic root of 2554890 is about 136.7069945103.

The spelling of 2554890 in words is "two million, five hundred fifty-four thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 6551 13102 19653 32755 39306 65510 85163 98265 170326 196530 255489 425815 510978 851630 1277445 2554890