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10043213 = 16760139
BaseRepresentation
bin100110010011…
…111101001101
3200220020200212
4212103331031
510032340323
6555132205
7151236335
oct46237515
920806625
1010043213
11573a684
123444065
13210843b
1414960c5
15d35b78
hex993f4d

10043213 has 4 divisors (see below), whose sum is σ = 10103520. Its totient is φ = 9982908.

The previous prime is 10043171. The next prime is 10043219. The reversal of 10043213 is 31234001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10043213 - 28 = 10042957 is a prime.

It is a super-2 number, since 2×100432132 = 201732254726738, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10043219) 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, 29903 + ... + 30236.

It is an arithmetic number, because the mean of its divisors is an integer number (2525880).

Almost surely, 210043213 is an apocalyptic number.

It is an amenable number.

10043213 is a deficient number, since it is larger than the sum of its proper divisors (60307).

10043213 is an equidigital number, since it uses as much as digits as its factorization.

10043213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60306.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 10043213 is about 3169.1028698987. The cubic root of 10043213 is about 215.7533550150.

Adding to 10043213 its reverse (31234001), we get a palindrome (41277214).

The spelling of 10043213 in words is "ten million, forty-three thousand, two hundred thirteen".

Divisors: 1 167 60139 10043213