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105037213 = 227462719
BaseRepresentation
bin1100100001010…
…11110110011101
321022122102222011
412100223312131
5203342142323
614231151221
72413541641
oct620536635
9238572864
10105037213
1154322016
122b215511
13189b84c8
14dd42c21
15934c20d
hex642bd9d

105037213 has 4 divisors (see below), whose sum is σ = 105500160. Its totient is φ = 104574268.

The previous prime is 105037211. The next prime is 105037259. The reversal of 105037213 is 312730501.

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, and also an emirpimes, since its reverse is a distinct semiprime: 312730501 = 695944939.

It is a cyclic number.

It is not a de Polignac number, because 105037213 - 21 = 105037211 is a prime.

It is a super-2 number, since 2×1050372132 = 22065632229614738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105037211) 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, 231133 + ... + 231586.

It is an arithmetic number, because the mean of its divisors is an integer number (26375040).

Almost surely, 2105037213 is an apocalyptic number.

It is an amenable number.

105037213 is a deficient number, since it is larger than the sum of its proper divisors (462947).

105037213 is an equidigital number, since it uses as much as digits as its factorization.

105037213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462946.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 105037213 is about 10248.7664135739. The cubic root of 105037213 is about 471.8251246381.

Adding to 105037213 its reverse (312730501), we get a palindrome (417767714).

The spelling of 105037213 in words is "one hundred five million, thirty-seven thousand, two hundred thirteen".

Divisors: 1 227 462719 105037213