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103253213 = 783917581
BaseRepresentation
bin1100010011110…
…00010011011101
321012021210210002
412021320103131
5202413100323
614125024045
72362431530
oct611702335
9235253702
10103253213
1153313738
122a6b5025
131851249b
14d9daa17
1590e8828
hex62784dd

103253213 has 8 divisors (see below), whose sum is σ = 118151040. Its totient is φ = 88392240.

The previous prime is 103253207. The next prime is 103253243. The reversal of 103253213 is 312352301.

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 103253213 - 26 = 103253149 is a prime.

It is a super-2 number, since 2×1032532132 = 21322451989646738, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103253203) 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, 2918 + ... + 14663.

It is an arithmetic number, because the mean of its divisors is an integer number (14768880).

Almost surely, 2103253213 is an apocalyptic number.

It is an amenable number.

103253213 is a deficient number, since it is larger than the sum of its proper divisors (14897827).

103253213 is an equidigital number, since it uses as much as digits as its factorization.

103253213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18427.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 103253213 is about 10161.3588166150. The cubic root of 103253213 is about 469.1386260273.

It can be divided in two parts, 1032 and 53213, that added together give a palindrome (54245).

The spelling of 103253213 in words is "one hundred three million, two hundred fifty-three thousand, two hundred thirteen".

Divisors: 1 7 839 5873 17581 123067 14750459 103253213