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105112253 = 432444471
BaseRepresentation
bin1100100001111…
…10001010111101
321022210020220102
412100332022331
5203402043003
614232530445
72414303501
oct620761275
9238706812
10105112253
1154373434
122b250a25
1318a136cc
14dd62301
159364588
hex643e2bd

105112253 has 4 divisors (see below), whose sum is σ = 107556768. Its totient is φ = 102667740.

The previous prime is 105112243. The next prime is 105112307. The reversal of 105112253 is 352211501.

It is a happy number.

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: 352211501 = 1104731883.

It is a cyclic number.

It is not a de Polignac number, because 105112253 - 28 = 105111997 is a prime.

It is a super-2 number, since 2×1051122532 = 22097171461472018, 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 (105112223) 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, 1222193 + ... + 1222278.

It is an arithmetic number, because the mean of its divisors is an integer number (26889192).

Almost surely, 2105112253 is an apocalyptic number.

It is an amenable number.

105112253 is a deficient number, since it is larger than the sum of its proper divisors (2444515).

105112253 is an equidigital number, since it uses as much as digits as its factorization.

105112253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444514.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 105112253 is about 10252.4266883504. The cubic root of 105112253 is about 471.9374573001.

Adding to 105112253 its reverse (352211501), we get a palindrome (457323754).

The spelling of 105112253 in words is "one hundred five million, one hundred twelve thousand, two hundred fifty-three".

Divisors: 1 43 2444471 105112253