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10733981 = 54119841
BaseRepresentation
bin101000111100…
…100110011101
3202012100020212
4220330212131
510221441411
61022022205
7160144256
oct50744635
922170225
1010733981
116071665
123717965
1322ba98b
1415d5b2d
15e2068b
hexa3c99d

10733981 has 4 divisors (see below), whose sum is σ = 10754364. Its totient is φ = 10713600.

The previous prime is 10733969. The next prime is 10734007. The reversal of 10733981 is 18933701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18933701 = 85722093.

It can be written as a sum of positive squares in 2 ways, for example, as 1522756 + 9211225 = 1234^2 + 3035^2 .

It is a cyclic number.

It is not a de Polignac number, because 10733981 - 210 = 10732957 is a prime.

It is a super-2 number, since 2×107339812 = 230436696216722, 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 (10733381) 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 3 ways as a sum of consecutive naturals, for example, 9380 + ... + 10461.

It is an arithmetic number, because the mean of its divisors is an integer number (2688591).

Almost surely, 210733981 is an apocalyptic number.

It is an amenable number.

10733981 is a deficient number, since it is larger than the sum of its proper divisors (20383).

10733981 is an equidigital number, since it uses as much as digits as its factorization.

10733981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20382.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 10733981 is about 3276.2754768182. The cubic root of 10733981 is about 220.5905689032.

The spelling of 10733981 in words is "ten million, seven hundred thirty-three thousand, nine hundred eighty-one".

Divisors: 1 541 19841 10733981