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1025148960 = 25365111747
BaseRepresentation
bin111101000110101…
…000100000100000
32122102222222000000
4331012220200200
54044414231320
6245420300000
734255423323
oct7506504040
92572888000
101025148960
11486740650
122473a1600
13134504124
149a2167ba
155eeecc90
hex3d1a8820

1025148960 has 672 divisors, whose sum is σ = 4283580672. Its totient is φ = 228925440.

The previous prime is 1025148959. The next prime is 1025148983. The reversal of 1025148960 is 698415201.

1025148960 is a `hidden beast` number, since 1 + 0 + 2 + 514 + 89 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 21811657 + ... + 21811703.

It is an arithmetic number, because the mean of its divisors is an integer number (6374376).

Almost surely, 21025148960 is an apocalyptic number.

1025148960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1025148960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2141790336).

1025148960 is an abundant number, since it is smaller than the sum of its proper divisors (3258431712).

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

1025148960 is a wasteful number, since it uses less digits than its factorization.

1025148960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 1025148960 is about 32017.9474670067. The cubic root of 1025148960 is about 1008.3136778872.

The spelling of 1025148960 in words is "one billion, twenty-five million, one hundred forty-eight thousand, nine hundred sixty".