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45000048 = 243937501
BaseRepresentation
bin1010101110101…
…0010101110000
310010200020110110
42223222111300
543010000143
64244301320
71054331322
oct253522560
9103606413
1045000048
1123446225
12130a1840
139427662
145d95612
153e3d533
hex2aea570

45000048 has 20 divisors (see below), whose sum is σ = 116250248. Its totient is φ = 15000000.

The previous prime is 45000031. The next prime is 45000061. The reversal of 45000048 is 84000054.

45000048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 44999988 and 45000033.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468703 + ... + 468798.

Almost surely, 245000048 is an apocalyptic number.

45000048 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

45000048 is an abundant number, since it is smaller than the sum of its proper divisors (71250200).

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

45000048 is a wasteful number, since it uses less digits than its factorization.

45000048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937512 (or 937506 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 45000048 is about 6708.2075102072. The cubic root of 45000048 is about 355.6894569163.

The spelling of 45000048 in words is "forty-five million, forty-eight", and thus it is an aban number and an uban number.

Divisors: 1 2 3 4 6 8 12 16 24 48 937501 1875002 2812503 3750004 5625006 7500008 11250012 15000016 22500024 45000048