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1054420 = 22552721
BaseRepresentation
bin100000001011011010100
31222120101121
410001123110
5232220140
634333324
711651053
oct4013324
91876347
101054420
11660224
1242a244
132abc23
141d639a
1515c64a
hex1016d4

1054420 has 12 divisors (see below), whose sum is σ = 2214324. Its totient is φ = 421760.

The previous prime is 1054393. The next prime is 1054423. The reversal of 1054420 is 244501.

It can be written as a sum of positive squares in 2 ways, for example, as 219024 + 835396 = 468^2 + 914^2 .

It is a super-2 number, since 2×10544202 = 2223603072800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1054394 and 1054403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26341 + ... + 26380.

It is an arithmetic number, because the mean of its divisors is an integer number (184527).

21054420 is an apocalyptic number.

1054420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1054420 is an abundant number, since it is smaller than the sum of its proper divisors (1159904).

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

1054420 is a wasteful number, since it uses less digits than its factorization.

1054420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52730 (or 52728 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 1054420 is about 1026.8495508106. The cubic root of 1054420 is about 101.7820541855.

Adding to 1054420 its reverse (244501), we get a palindrome (1298921).

The spelling of 1054420 in words is "one million, fifty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 52721 105442 210884 263605 527210 1054420