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10042823 = 71738293
BaseRepresentation
bin100110010011…
…110111000111
3200220020011102
4212103313013
510032332243
6555130315
7151235240
oct46236707
920806142
1010042823
11573a35a
12344399b
1321081cb
141495cc7
15d359b8
hex993dc7

10042823 has 8 divisors (see below), whose sum is σ = 11545248. Its totient is φ = 8557344.

The previous prime is 10042817. The next prime is 10042841. The reversal of 10042823 is 32824001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10042823 - 24 = 10042807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10042795 and 10042804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10042843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2936 + ... + 5357.

It is an arithmetic number, because the mean of its divisors is an integer number (1443156).

Almost surely, 210042823 is an apocalyptic number.

10042823 is a deficient number, since it is larger than the sum of its proper divisors (1502425).

10042823 is an equidigital number, since it uses as much as digits as its factorization.

10042823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8473.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 10042823 is about 3169.0413376919. The cubic root of 10042823 is about 215.7505622534.

Adding to 10042823 its reverse (32824001), we get a palindrome (42866824).

The spelling of 10042823 in words is "ten million, forty-two thousand, eight hundred twenty-three".

Divisors: 1 7 173 1211 8293 58051 1434689 10042823