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2557054 = 21278527
BaseRepresentation
bin1001110000010001111110
311210220121201
421300101332
51123311204
6130450114
730506653
oct11602176
94726551
102557054
111497175
12a3393a
136b6b66
144a7c2a
153579a4
hex27047e

2557054 has 4 divisors (see below), whose sum is σ = 3835584. Its totient is φ = 1278526.

The previous prime is 2557013. The next prime is 2557063. The reversal of 2557054 is 4507552.

2557054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 639262 + ... + 639265.

It is an arithmetic number, because the mean of its divisors is an integer number (958896).

22557054 is an apocalyptic number.

2557054 is a deficient number, since it is larger than the sum of its proper divisors (1278530).

2557054 is a wasteful number, since it uses less digits than its factorization.

2557054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278529.

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 2557054 is about 1599.0791099880. The cubic root of 2557054 is about 136.7455807054.

The spelling of 2557054 in words is "two million, five hundred fifty-seven thousand, fifty-four".

Divisors: 1 2 1278527 2557054