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10868053 = 72221797
BaseRepresentation
bin101001011101…
…010101010101
3202110011011111
4221131111111
510240234203
61024535021
7161243200
oct51352525
922404144
1010868053
116153369
123781471
132336a01
14162c937
15e4a26d
hexa5d555

10868053 has 6 divisors (see below), whose sum is σ = 12642486. Its totient is φ = 9315432.

The previous prime is 10868027. The next prime is 10868059. The reversal of 10868053 is 35086801.

It can be written as a sum of positive squares in only one way, i.e., 6036849 + 4831204 = 2457^2 + 2198^2 .

It is not a de Polignac number, because 10868053 - 217 = 10736981 is a prime.

It is a super-2 number, since 2×108680532 = 236229152021618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10868059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 110850 + ... + 110947.

It is an arithmetic number, because the mean of its divisors is an integer number (2107081).

Almost surely, 210868053 is an apocalyptic number.

It is an amenable number.

10868053 is a deficient number, since it is larger than the sum of its proper divisors (1774433).

10868053 is an equidigital number, since it uses as much as digits as its factorization.

10868053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221811 (or 221804 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 10868053 is about 3296.6730198793. The cubic root of 10868053 is about 221.5051948091.

The spelling of 10868053 in words is "ten million, eight hundred sixty-eight thousand, fifty-three".

Divisors: 1 7 49 221797 1552579 10868053