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5128450 = 252109941
BaseRepresentation
bin10011100100000100000010
3100122112220121
4103210010002
52303102300
6301530454
761406515
oct23440402
910575817
105128450
112993098
121873a2a
1310a73b2
14976d7c
156b481a
hex4e4102

5128450 has 24 divisors (see below), whose sum is σ = 9636660. Its totient is φ = 2030400.

The previous prime is 5128433. The next prime is 5128463. The reversal of 5128450 is 548215.

It can be written as a sum of positive squares in 6 ways, for example, as 2666689 + 2461761 = 1633^2 + 1569^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4980 + ... + 5920.

Almost surely, 25128450 is an apocalyptic number.

5128450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5128450 is a deficient number, since it is larger than the sum of its proper divisors (4508210).

5128450 is a wasteful number, since it uses less digits than its factorization.

5128450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062 (or 1057 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 5128450 is about 2264.6081338722. The cubic root of 5128450 is about 172.4495406567.

It can be divided in two parts, 512 and 8450, that multiplied together give a square (4326400 = 20802).

The spelling of 5128450 in words is "five million, one hundred twenty-eight thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 109 218 545 941 1090 1882 2725 4705 5450 9410 23525 47050 102569 205138 512845 1025690 2564225 5128450