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48440440447 = 76920062921
BaseRepresentation
bin101101000111010001…
…100111011001111111
311122000220020100002221
4231013101213121333
51243201223043242
634130410430211
73333253643620
oct550721473177
9148026210087
1048440440447
11195a8402963
12947a732367
13474c926119
1424b7565a47
1513d79d3167
hexb4746767f

48440440447 has 4 divisors (see below), whose sum is σ = 55360503376. Its totient is φ = 41520377520.

The previous prime is 48440440439. The next prime is 48440440463. The reversal of 48440440447 is 74404404484.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 48440440447 - 23 = 48440440439 is a prime.

It is a super-3 number, since 3×484404404473 (a number of 33 digits) contains 333 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 (48440440247) 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, 3460031454 + ... + 3460031467.

It is an arithmetic number, because the mean of its divisors is an integer number (13840125844).

Almost surely, 248440440447 is an apocalyptic number.

48440440447 is a deficient number, since it is larger than the sum of its proper divisors (6920062929).

48440440447 is an equidigital number, since it uses as much as digits as its factorization.

48440440447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6920062928.

The product of its (nonzero) digits is 917504, while the sum is 43.

The spelling of 48440440447 in words is "forty-eight billion, four hundred forty million, four hundred forty thousand, four hundred forty-seven".

Divisors: 1 7 6920062921 48440440447