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11051420 = 2251015471
BaseRepresentation
bin101010001010…
…000110011100
3202210110200212
4222022012130
510312121140
61032511552
7162635612
oct52120634
922713625
1011051420
116269106
12384b5b8
13239c303
1416796b2
15e84765
hexa8a19c

11051420 has 24 divisors (see below), whose sum is σ = 23442048. Its totient is φ = 4376000.

The previous prime is 11051393. The next prime is 11051429. The reversal of 11051420 is 2415011.

It is a junction number, because it is equal to n+sod(n) for n = 11051395 and 11051404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11051429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716 + ... + 4755.

It is an arithmetic number, because the mean of its divisors is an integer number (976752).

Almost surely, 211051420 is an apocalyptic number.

11051420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11051420 is an abundant number, since it is smaller than the sum of its proper divisors (12390628).

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

11051420 is a wasteful number, since it uses less digits than its factorization.

11051420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5581 (or 5579 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 11051420 is about 3324.3676090348. The cubic root of 11051420 is about 222.7440070220.

Adding to 11051420 its reverse (2415011), we get a palindrome (13466431).

The spelling of 11051420 in words is "eleven million, fifty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 101 202 404 505 1010 2020 5471 10942 21884 27355 54710 109420 552571 1105142 2210284 2762855 5525710 11051420