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10042042 = 25419281
BaseRepresentation
bin100110010011…
…101010111010
3200220012002111
4212103222322
510032321132
6555122534
7151233043
oct46235272
920805074
1010042042
11573980a
12344344a
132107a4a
1414958ca
15d35647
hex993aba

10042042 has 8 divisors (see below), whose sum is σ = 15092532. Its totient is φ = 5011200.

The previous prime is 10042031. The next prime is 10042049. The reversal of 10042042 is 24024001.

It can be written as a sum of positive squares in 2 ways, for example, as 9740641 + 301401 = 3121^2 + 549^2 .

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

It is not an unprimeable number, because it can be changed into a prime (10042049) 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, 3559 + ... + 5722.

Almost surely, 210042042 is an apocalyptic number.

10042042 is a deficient number, since it is larger than the sum of its proper divisors (5050490).

10042042 is an equidigital number, since it uses as much as digits as its factorization.

10042042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9824.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 10042042 is about 3168.9181119114. The cubic root of 10042042 is about 215.7449693520.

Adding to 10042042 its reverse (24024001), we get a palindrome (34066043).

The spelling of 10042042 in words is "ten million, forty-two thousand, forty-two".

Divisors: 1 2 541 1082 9281 18562 5021021 10042042