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4281380 = 225214069
BaseRepresentation
bin10000010101010000100100
322001111221122
4100111100210
52044001010
6231433112
751251105
oct20252044
98044848
104281380
112464734
121525798
13b6b97c
147d63ac
15598855
hex415424

4281380 has 12 divisors (see below), whose sum is σ = 8990940. Its totient is φ = 1712544.

The previous prime is 4281373. The next prime is 4281383. The reversal of 4281380 is 831824.

It can be written as a sum of positive squares in 2 ways, for example, as 3232804 + 1048576 = 1798^2 + 1024^2 .

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (4281383) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 107015 + ... + 107054.

It is an arithmetic number, because the mean of its divisors is an integer number (749245).

Almost surely, 24281380 is an apocalyptic number.

It is an amenable number.

4281380 is an abundant number, since it is smaller than the sum of its proper divisors (4709560).

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

4281380 is a wasteful number, since it uses less digits than its factorization.

4281380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214078 (or 214076 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 4281380 is about 2069.1495837662. The cubic root of 4281380 is about 162.3782757063.

The spelling of 4281380 in words is "four million, two hundred eighty-one thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 214069 428138 856276 1070345 2140690 4281380