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1055623 = 3972659
BaseRepresentation
bin100000001101110000111
31222122001011
410001232013
5232234443
634343051
711654422
oct4015607
91878034
101055623
11661118
1242aa87
132ac63a
141d69b9
1515cb9d
hex101b87

1055623 has 4 divisors (see below), whose sum is σ = 1058680. Its totient is φ = 1052568.

The previous prime is 1055611. The next prime is 1055671. The reversal of 1055623 is 3265501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3265501 = 28111621.

It is a cyclic number.

It is not a de Polignac number, because 1055623 - 25 = 1055591 is a prime.

It is a super-2 number, since 2×10556232 = 2228679836258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1055594 and 1055603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055603) 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, 933 + ... + 1726.

It is an arithmetic number, because the mean of its divisors is an integer number (264670).

21055623 is an apocalyptic number.

1055623 is a deficient number, since it is larger than the sum of its proper divisors (3057).

1055623 is an equidigital number, since it uses as much as digits as its factorization.

1055623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3056.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1055623 is about 1027.4351561048. The cubic root of 1055623 is about 101.8207475824.

The spelling of 1055623 in words is "one million, fifty-five thousand, six hundred twenty-three".

Divisors: 1 397 2659 1055623