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1144628 = 22674271
BaseRepresentation
bin100010111011100110100
32011011010122
410113130310
5243112003
640311112
712505052
oct4273464
92134118
101144628
11711a81
12472498
13310cc4
1421b1d2
15179238
hex117734

1144628 has 12 divisors (see below), whose sum is σ = 2033472. Its totient is φ = 563640.

The previous prime is 1144621. The next prime is 1144643. The reversal of 1144628 is 8264411.

It is a junction number, because it is equal to n+sod(n) for n = 1144597 and 1144606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144621) 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, 1868 + ... + 2403.

It is an arithmetic number, because the mean of its divisors is an integer number (169456).

21144628 is an apocalyptic number.

It is an amenable number.

1144628 is a deficient number, since it is larger than the sum of its proper divisors (888844).

1144628 is a wasteful number, since it uses less digits than its factorization.

1144628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4342 (or 4340 counting only the distinct ones).

The product of its digits is 1536, while the sum is 26.

The square root of 1144628 is about 1069.8728896462. The cubic root of 1144628 is about 104.6055647446.

The spelling of 1144628 in words is "one million, one hundred forty-four thousand, six hundred twenty-eight".

Divisors: 1 2 4 67 134 268 4271 8542 17084 286157 572314 1144628