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448538448 = 2439344551
BaseRepresentation
bin11010101111000…
…010011101010000
31011021000010002010
4122233002131100
51404311212243
6112301422520
714054341161
oct3257023520
91137003063
10448538448
11210208636
1210626aa40
1371c07687
14437db768
15295a0433
hex1abc2750

448538448 has 20 divisors (see below), whose sum is σ = 1158724448. Its totient is φ = 149512800.

The previous prime is 448538413. The next prime is 448538501. The reversal of 448538448 is 844835844.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 9344551 = 448538448 / (4 + 4 + 8 + 5 + 3 + 8 + 4 + 4 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 448538397 and 448538406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4672228 + ... + 4672323.

Almost surely, 2448538448 is an apocalyptic number.

448538448 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

448538448 is an abundant number, since it is smaller than the sum of its proper divisors (710186000).

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

448538448 is a wasteful number, since it uses less digits than its factorization.

448538448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9344562 (or 9344556 counting only the distinct ones).

The product of its digits is 1966080, while the sum is 48.

The square root of 448538448 is about 21178.7263073113. The cubic root of 448538448 is about 765.4789021534.

It can be divided in two parts, 44853 and 8448, that added together give a triangular number (53301 = T326).

The spelling of 448538448 in words is "four hundred forty-eight million, five hundred thirty-eight thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 9344551 18689102 28033653 37378204 56067306 74756408 112134612 149512816 224269224 448538448