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2258538 = 23478009
BaseRepresentation
bin1000100111011001101010
311020202010120
420213121222
51034233123
6120224110
725124442
oct10473152
94222116
102258538
111302967
1290b036
13611019
1442b122
152e92e3
hex22766a

2258538 has 16 divisors (see below), whose sum is σ = 4613760. Its totient is φ = 736736.

The previous prime is 2258527. The next prime is 2258539. The reversal of 2258538 is 8358522.

2258538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2258499 and 2258508.

It is not an unprimeable number, because it can be changed into a prime (2258539) 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 7 ways as a sum of consecutive naturals, for example, 3723 + ... + 4286.

It is an arithmetic number, because the mean of its divisors is an integer number (288360).

22258538 is an apocalyptic number.

2258538 is an abundant number, since it is smaller than the sum of its proper divisors (2355222).

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

2258538 is a wasteful number, since it uses less digits than its factorization.

2258538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8061.

The product of its digits is 19200, while the sum is 33.

The square root of 2258538 is about 1502.8433052052. The cubic root of 2258538 is about 131.2026078329.

The spelling of 2258538 in words is "two million, two hundred fifty-eight thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 47 94 141 282 8009 16018 24027 48054 376423 752846 1129269 2258538