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106854397 = 138219569
BaseRepresentation
bin1100101111001…
…11011111111101
321110001202200021
412113213133331
5204323320042
614334132141
72435150566
oct627473775
9243052607
10106854397
1155353321
122b951051
13191a3670
141029716d
1595aa867
hex65e77fd

106854397 has 4 divisors (see below), whose sum is σ = 115073980. Its totient is φ = 98634816.

The previous prime is 106854353. The next prime is 106854403. The reversal of 106854397 is 793458601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22838841 + 84015556 = 4779^2 + 9166^2 .

It is a cyclic number.

It is not a de Polignac number, because 106854397 - 223 = 98465789 is a prime.

It is a super-2 number, since 2×1068543972 = 22835724316467218, 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 (106854337) 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, 4109772 + ... + 4109797.

It is an arithmetic number, because the mean of its divisors is an integer number (28768495).

Almost surely, 2106854397 is an apocalyptic number.

It is an amenable number.

106854397 is a deficient number, since it is larger than the sum of its proper divisors (8219583).

106854397 is an equidigital number, since it uses as much as digits as its factorization.

106854397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8219582.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 106854397 is about 10337.0400502271. The cubic root of 106854397 is about 474.5305011885.

The spelling of 106854397 in words is "one hundred six million, eight hundred fifty-four thousand, three hundred ninety-seven".

Divisors: 1 13 8219569 106854397