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108843013 = 229475297
BaseRepresentation
bin1100111110011…
…01000000000101
321120210210112201
412133031000011
5210330434023
614444514501
72461102366
oct637150005
9246723481
10108843013
1156491404
123054ba31
131971b866
1410653b6d
15984ebad
hex67cd005

108843013 has 4 divisors (see below), whose sum is σ = 109318540. Its totient is φ = 108367488.

The previous prime is 108842983. The next prime is 108843017. The reversal of 108843013 is 310348801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 105822369 + 3020644 = 10287^2 + 1738^2 .

It is a cyclic number.

It is not a de Polignac number, because 108843013 - 29 = 108842501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108843017) 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, 237420 + ... + 237877.

It is an arithmetic number, because the mean of its divisors is an integer number (27329635).

Almost surely, 2108843013 is an apocalyptic number.

It is an amenable number.

108843013 is a deficient number, since it is larger than the sum of its proper divisors (475527).

108843013 is an equidigital number, since it uses as much as digits as its factorization.

108843013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475526.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 108843013 is about 10432.7854861489. The cubic root of 108843013 is about 477.4561793801.

The spelling of 108843013 in words is "one hundred eight million, eight hundred forty-three thousand, thirteen".

Divisors: 1 229 475297 108843013