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4241920 = 2951657
BaseRepresentation
bin10000001011101000000000
321222111211011
4100023220000
52041220140
6230530304
751025054
oct20135000
97874734
104241920
112438021
121506994
13b56a17
147c5c64
1558bcea
hex40ba00

4241920 has 40 divisors (see below), whose sum is σ = 10176804. Its totient is φ = 1695744.

The previous prime is 4241903. The next prime is 4241929. The reversal of 4241920 is 291424.

It can be written as a sum of positive squares in 2 ways, for example, as 4129024 + 112896 = 2032^2 + 336^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 4241891 and 4241900.

It is not an unprimeable number, because it can be changed into a prime (4241929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1732 + ... + 3388.

Almost surely, 24241920 is an apocalyptic number.

4241920 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 4241920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5088402).

4241920 is an abundant number, since it is smaller than the sum of its proper divisors (5934884).

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

4241920 is an equidigital number, since it uses as much as digits as its factorization.

4241920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680 (or 1664 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 4241920 is about 2059.5921926440. The cubic root of 4241920 is about 161.8778737135.

The spelling of 4241920 in words is "four million, two hundred forty-one thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1280 1657 2560 3314 6628 8285 13256 16570 26512 33140 53024 66280 106048 132560 212096 265120 424192 530240 848384 1060480 2120960 4241920