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105274231 = 195993911
BaseRepresentation
bin1100100011001…
…01101101110111
321100002111002121
412101211231313
5203422233411
614240220411
72415546646
oct621455567
9240074077
10105274231
11544740a7
122b30a707
1318a6c35a
14dda535d
159397571
hex6465b77

105274231 has 8 divisors (see below), whose sum is σ = 112694400. Its totient is φ = 98042040.

The previous prime is 105274229. The next prime is 105274241. The reversal of 105274231 is 132472501.

It is a happy number.

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 105274231 - 21 = 105274229 is a prime.

It is a super-2 number, since 2×1052742312 = 22165327425282722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105274196 and 105274205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105274241) 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, 45835 + ... + 48076.

It is an arithmetic number, because the mean of its divisors is an integer number (14086800).

Almost surely, 2105274231 is an apocalyptic number.

105274231 is a deficient number, since it is larger than the sum of its proper divisors (7420169).

105274231 is an equidigital number, since it uses as much as digits as its factorization.

105274231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93989.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 105274231 is about 10260.3231430594. The cubic root of 105274231 is about 472.1797514519.

The spelling of 105274231 in words is "one hundred five million, two hundred seventy-four thousand, two hundred thirty-one".

Divisors: 1 19 59 1121 93911 1784309 5540749 105274231