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1025459668 = 22320380039
BaseRepresentation
bin111101000111110…
…100010111010100
32122110120202012201
4331013310113110
54100004202133
6245431054244
734261156222
oct7507642724
92573522181
101025459668
11486933032
12247511384
131345b268c
149a297b12
156005ed7d
hex3d1f45d4

1025459668 has 12 divisors (see below), whose sum is σ = 1795137120. Its totient is φ = 512563352.

The previous prime is 1025459641. The next prime is 1025459671. The reversal of 1025459668 is 8669545201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27208 + ... + 52831.

It is an arithmetic number, because the mean of its divisors is an integer number (149594760).

Almost surely, 21025459668 is an apocalyptic number.

It is an amenable number.

1025459668 is a deficient number, since it is larger than the sum of its proper divisors (769677452).

1025459668 is a wasteful number, since it uses less digits than its factorization.

1025459668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83246 (or 83244 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 46.

The square root of 1025459668 is about 32022.7991905767. The cubic root of 1025459668 is about 1008.4155360861.

The spelling of 1025459668 in words is "one billion, twenty-five million, four hundred fifty-nine thousand, six hundred sixty-eight".

Divisors: 1 2 4 3203 6406 12812 80039 160078 320156 256364917 512729834 1025459668