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4254840 = 2332553223
BaseRepresentation
bin10000001110110001111000
322000011112200
4100032301320
52042123330
6231110200
751110532
oct20166170
98004480
104254840
1124467a7
121512360
13b5c875
147ca852
15590a60
hex40ec78

4254840 has 96 divisors (see below), whose sum is σ = 14152320. Its totient is φ = 1108224.

The previous prime is 4254821. The next prime is 4254853. The reversal of 4254840 is 484524.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18969 + ... + 19191.

It is an arithmetic number, because the mean of its divisors is an integer number (147420).

Almost surely, 24254840 is an apocalyptic number.

4254840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4254840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7076160).

4254840 is an abundant number, since it is smaller than the sum of its proper divisors (9897480).

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

4254840 is a wasteful number, since it uses less digits than its factorization.

4254840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 4254840 is about 2062.7263512158. The cubic root of 4254840 is about 162.0420558393.

The spelling of 4254840 in words is "four million, two hundred fifty-four thousand, eight hundred forty".