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1025008 = 2464063
BaseRepresentation
bin11111010001111110000
31221002001021
43322033300
5230300013
633545224
711466235
oct3721760
91832037
101025008
11640116
12415214
1329b71a
141c978c
15153a8d
hexfa3f0

1025008 has 10 divisors (see below), whose sum is σ = 1985984. Its totient is φ = 512496.

The previous prime is 1024997. The next prime is 1025009. The reversal of 1025008 is 8005201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 64063 = 1025008 / (1 + 0 + 2 + 5 + 0 + 0 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 1024982 and 1025000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32016 + ... + 32047.

21025008 is an apocalyptic number.

It is an amenable number.

1025008 is a deficient number, since it is larger than the sum of its proper divisors (960976).

1025008 is an equidigital number, since it uses as much as digits as its factorization.

1025008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64071 (or 64065 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1025008 is about 1012.4267874765. The cubic root of 1025008 is about 100.8267460730.

The spelling of 1025008 in words is "one million, twenty-five thousand, eight".

Divisors: 1 2 4 8 16 64063 128126 256252 512504 1025008