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10238243 = 23445141
BaseRepresentation
bin100111000011…
…100100100011
3201021011020012
4213003210203
510110110433
61003235135
7153011051
oct47034443
921234205
1010238243
115863164
123518aab
132176142
1415071d1
15d73848
hex9c3923

10238243 has 4 divisors (see below), whose sum is σ = 10683408. Its totient is φ = 9793080.

The previous prime is 10238231. The next prime is 10238251. The reversal of 10238243 is 34283201.

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

It is a cyclic number.

It is not a de Polignac number, because 10238243 - 220 = 9189667 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 445141 = 10238243 / (1 + 0 + 2 + 3 + 8 + 2 + 4 + 3).

It is not an unprimeable number, because it can be changed into a prime (10238213) 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, 222548 + ... + 222593.

It is an arithmetic number, because the mean of its divisors is an integer number (2670852).

Almost surely, 210238243 is an apocalyptic number.

10238243 is a deficient number, since it is larger than the sum of its proper divisors (445165).

10238243 is an equidigital number, since it uses as much as digits as its factorization.

10238243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445164.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 10238243 is about 3199.7254569728. The cubic root of 10238243 is about 217.1409887428.

The spelling of 10238243 in words is "ten million, two hundred thirty-eight thousand, two hundred forty-three".

Divisors: 1 23 445141 10238243