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448342020 = 223357176977
BaseRepresentation
bin11010101110010…
…010100000000100
31011020122010122000
4122232102200010
51404233421040
6112253305300
714052562410
oct3256224004
91136563560
10448342020
11210093aa5
12106195230
1371b69149
1443789d40
1529562130
hex1ab92804

448342020 has 192 divisors, whose sum is σ = 1688117760. Its totient is φ = 96436224.

The previous prime is 448341997. The next prime is 448342033. The reversal of 448342020 is 20243844.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 60772 + ... + 67748.

It is an arithmetic number, because the mean of its divisors is an integer number (8792280).

Almost surely, 2448342020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 448342020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (844058880).

448342020 is an abundant number, since it is smaller than the sum of its proper divisors (1239775740).

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

448342020 is a wasteful number, since it uses less digits than its factorization.

448342020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7019 (or 7011 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 448342020 is about 21174.0884101300. The cubic root of 448342020 is about 765.3671440310.

Adding to 448342020 its reverse (20243844), we get a palindrome (468585864).

The spelling of 448342020 in words is "four hundred forty-eight million, three hundred forty-two thousand, twenty".