Search a number
-
+
448532020 = 22522426601
BaseRepresentation
bin11010101111000…
…000111000110100
31011020222210021001
4122233000320310
51404311011040
6112301333044
714054313346
oct3257007064
91136883231
10448532020
11210203822
12106267184
1371c04781
14437d9296
152959d59a
hex1abc0e34

448532020 has 12 divisors (see below), whose sum is σ = 941917284. Its totient is φ = 179412800.

The previous prime is 448531999. The next prime is 448532023. The reversal of 448532020 is 20235844.

It can be written as a sum of positive squares in 2 ways, for example, as 158306724 + 290225296 = 12582^2 + 17036^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 448532020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448532023) 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, 11213281 + ... + 11213320.

It is an arithmetic number, because the mean of its divisors is an integer number (78493107).

Almost surely, 2448532020 is an apocalyptic number.

It is an amenable number.

448532020 is an abundant number, since it is smaller than the sum of its proper divisors (493385264).

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

448532020 is a wasteful number, since it uses less digits than its factorization.

448532020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22426610 (or 22426608 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 448532020 is about 21178.5745507104. The cubic root of 448532020 is about 765.4752454458.

Adding to 448532020 its reverse (20235844), we get a palindrome (468767864).

The spelling of 448532020 in words is "four hundred forty-eight million, five hundred thirty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 22426601 44853202 89706404 112133005 224266010 448532020