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10265780 = 225773327
BaseRepresentation
bin100111001010…
…010010110100
3201022120000002
4213022102310
510112001110
61004010432
7153154250
oct47122264
921276002
1010265780
115881918
123530a18
132185835
141513260
15d7baa5
hex9ca4b4

10265780 has 24 divisors (see below), whose sum is σ = 24638208. Its totient is φ = 3519648.

The previous prime is 10265779. The next prime is 10265789. The reversal of 10265780 is 8756201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10265789) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 36524 + ... + 36803.

It is an arithmetic number, because the mean of its divisors is an integer number (1026592).

Almost surely, 210265780 is an apocalyptic number.

10265780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10265780 is an abundant number, since it is smaller than the sum of its proper divisors (14372428).

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

10265780 is a wasteful number, since it uses less digits than its factorization.

10265780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73343 (or 73341 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 10265780 is about 3204.0255929065. The cubic root of 10265780 is about 217.3354901698.

The spelling of 10265780 in words is "ten million, two hundred sixty-five thousand, seven hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 73327 146654 293308 366635 513289 733270 1026578 1466540 2053156 2566445 5132890 10265780