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10255120 = 245128189
BaseRepresentation
bin100111000111…
…101100010000
3201022000101021
4213013230100
510111130440
61003445224
7153111211
oct47075420
921260337
1010255120
115874907
123526814
132180a25
14150d408
15d7884a
hex9c7b10

10255120 has 20 divisors (see below), whose sum is σ = 23843340. Its totient is φ = 4102016.

The previous prime is 10255109. The next prime is 10255151. The reversal of 10255120 is 2155201.

It can be written as a sum of positive squares in 2 ways, for example, as 8088336 + 2166784 = 2844^2 + 1472^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 10255094 and 10255103.

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 3 ways as a sum of consecutive naturals, for example, 64015 + ... + 64174.

It is an arithmetic number, because the mean of its divisors is an integer number (1192167).

Almost surely, 210255120 is an apocalyptic number.

10255120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10255120 is an abundant number, since it is smaller than the sum of its proper divisors (13588220).

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

10255120 is a wasteful number, since it uses less digits than its factorization.

10255120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128202 (or 128196 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 10255120 is about 3202.3616285485. The cubic root of 10255120 is about 217.2602369593.

The spelling of 10255120 in words is "ten million, two hundred fifty-five thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 128189 256378 512756 640945 1025512 1281890 2051024 2563780 5127560 10255120