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10745120 = 25567157
BaseRepresentation
bin101000111111…
…010100100000
3202012220112102
4220333110200
510222320440
61022145532
7160221611
oct50772440
922186472
1010745120
116079a71
1237222a8
1322c2a79
1415d9c08
15e23b15
hexa3f520

10745120 has 24 divisors (see below), whose sum is σ = 25385724. Its totient is φ = 4297984.

The previous prime is 10745113. The next prime is 10745129. The reversal of 10745120 is 2154701.

It can be written as a sum of positive squares in 2 ways, for example, as 9314704 + 1430416 = 3052^2 + 1196^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10745092 and 10745101.

It is not an unprimeable number, because it can be changed into a prime (10745129) 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 3 ways as a sum of consecutive naturals, for example, 33419 + ... + 33738.

Almost surely, 210745120 is an apocalyptic number.

10745120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10745120 is an abundant number, since it is smaller than the sum of its proper divisors (14640604).

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

10745120 is an equidigital number, since it uses as much as digits as its factorization.

10745120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67172 (or 67164 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 10745120 is about 3277.9749846513. The cubic root of 10745120 is about 220.6668471849. Note that the first 3 decimals are identical.

Adding to 10745120 its reverse (2154701), we get a palindrome (12899821).

The spelling of 10745120 in words is "ten million, seven hundred forty-five thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 67157 134314 268628 335785 537256 671570 1074512 1343140 2149024 2686280 5372560 10745120