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448448413 = 764064059
BaseRepresentation
bin11010101110101…
…100011110011101
31011020211112120111
4122232230132131
51404300322123
6112255450021
714053514530
oct3256543635
91136745514
10448448413
11210156a26
12106226911
1371ba56ba
14437b6a17
152958390d
hex1abac79d

448448413 has 4 divisors (see below), whose sum is σ = 512512480. Its totient is φ = 384384348.

The previous prime is 448448381. The next prime is 448448443. The reversal of 448448413 is 314844844.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 448448413 - 25 = 448448381 is a prime.

It is a super-2 number, since 2×4484484132 = 402211958244437138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448448443) 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, 32032023 + ... + 32032036.

It is an arithmetic number, because the mean of its divisors is an integer number (128128120).

Almost surely, 2448448413 is an apocalyptic number.

It is an amenable number.

448448413 is a deficient number, since it is larger than the sum of its proper divisors (64064067).

448448413 is an equidigital number, since it uses as much as digits as its factorization.

448448413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64064066.

The product of its digits is 196608, while the sum is 40.

The square root of 448448413 is about 21176.6006006630. The cubic root of 448448413 is about 765.4276806025.

It can be divided in two parts, 44844841 and 3, that added together give a palindrome (44844844).

The spelling of 448448413 in words is "four hundred forty-eight million, four hundred forty-eight thousand, four hundred thirteen".

Divisors: 1 7 64064059 448448413