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2258380 = 225112919
BaseRepresentation
bin1000100111010111001100
311020201220201
420213113030
51034232010
6120223244
725124125
oct10472714
94221821
102258380
111302833
1290ab24
13610c27
1442b04c
152e923a
hex2275cc

2258380 has 12 divisors (see below), whose sum is σ = 4742640. Its totient is φ = 903344.

The previous prime is 2258363. The next prime is 2258387. The reversal of 2258380 is 838522.

2258380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2258387) 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 3 ways as a sum of consecutive naturals, for example, 56440 + ... + 56479.

It is an arithmetic number, because the mean of its divisors is an integer number (395220).

22258380 is an apocalyptic number.

2258380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2258380 is an abundant number, since it is smaller than the sum of its proper divisors (2484260).

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

2258380 is a wasteful number, since it uses less digits than its factorization.

2258380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112928 (or 112926 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 2258380 is about 1502.7907372618. The cubic root of 2258380 is about 131.1995482584.

The spelling of 2258380 in words is "two million, two hundred fifty-eight thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 112919 225838 451676 564595 1129190 2258380