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11120420 = 225556021
BaseRepresentation
bin101010011010…
…111100100100
3202220222100102
4222122330210
510321323140
61034203232
7163344023
oct52327444
922828312
1011120420
116305a33
123883518
1323c483c
1416968ba
15e99e15
hexa9af24

11120420 has 12 divisors (see below), whose sum is σ = 23352924. Its totient is φ = 4448160.

The previous prime is 11120419. The next prime is 11120479. The reversal of 11120420 is 2402111.

11120420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5885476 + 5234944 = 2426^2 + 2288^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277991 + ... + 278030.

It is an arithmetic number, because the mean of its divisors is an integer number (1946077).

Almost surely, 211120420 is an apocalyptic number.

11120420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11120420 is an abundant number, since it is smaller than the sum of its proper divisors (12232504).

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

11120420 is a wasteful number, since it uses less digits than its factorization.

11120420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556030 (or 556028 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 11120420 is about 3334.7293743271. The cubic root of 11120420 is about 223.2066160687.

Adding to 11120420 its reverse (2402111), we get a palindrome (13522531).

The spelling of 11120420 in words is "eleven million, one hundred twenty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 556021 1112042 2224084 2780105 5560210 11120420