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10442780 = 2251927481
BaseRepresentation
bin100111110101…
…100000011100
3201122112210122
4213311200130
510133132110
61011454112
7154522265
oct47654034
921575718
1010442780
1159928a7
1235b7338
13221827a
14155b96c
15db4255
hex9f581c

10442780 has 24 divisors (see below), whose sum is σ = 23084880. Its totient is φ = 3957120.

The previous prime is 10442779. The next prime is 10442791. The reversal of 10442780 is 8724401.

10442780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13361 + ... + 14120.

It is an arithmetic number, because the mean of its divisors is an integer number (961870).

Almost surely, 210442780 is an apocalyptic number.

10442780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10442780 is an abundant number, since it is smaller than the sum of its proper divisors (12642100).

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

10442780 is a wasteful number, since it uses less digits than its factorization.

10442780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27509 (or 27507 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 10442780 is about 3231.5290498462. The cubic root of 10442780 is about 218.5774606799.

The spelling of 10442780 in words is "ten million, four hundred forty-two thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 27481 54962 109924 137405 274810 522139 549620 1044278 2088556 2610695 5221390 10442780