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10042345 = 52008469
BaseRepresentation
bin100110010011…
…101111101001
3200220012111201
4212103233221
510032323340
6555124201
7151233655
oct46235751
920805451
1010042345
115739a65
123443661
132107c21
141495a65
15d3579a
hex993be9

10042345 has 4 divisors (see below), whose sum is σ = 12050820. Its totient is φ = 8033872.

The previous prime is 10042343. The next prime is 10042379. The reversal of 10042345 is 54324001.

10042345 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4857616 + 5184729 = 2204^2 + 2277^2 .

It is a cyclic number.

It is not a de Polignac number, because 10042345 - 21 = 10042343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10042343) 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, 1004230 + ... + 1004239.

It is an arithmetic number, because the mean of its divisors is an integer number (3012705).

Almost surely, 210042345 is an apocalyptic number.

It is an amenable number.

10042345 is a deficient number, since it is larger than the sum of its proper divisors (2008475).

10042345 is an equidigital number, since it uses as much as digits as its factorization.

10042345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008474.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 10042345 is about 3168.9659196653. The cubic root of 10042345 is about 215.7471392316.

Adding to 10042345 its reverse (54324001), we get a palindrome (64366346).

The spelling of 10042345 in words is "ten million, forty-two thousand, three hundred forty-five".

Divisors: 1 5 2008469 10042345