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106806025 = 5241791319
BaseRepresentation
bin1100101110110…
…11101100001001
321102222022022201
412113123230021
5204320243100
614333120201
72434556554
oct627335411
9242868281
10106806025
115531aa47
122b929061
1319187641
141028369b
15959b36a
hex65dbb09

106806025 has 24 divisors (see below), whose sum is σ = 137491200. Its totient is φ = 82243200.

The previous prime is 106806017. The next prime is 106806047. The reversal of 106806025 is 520608601.

It is not a de Polignac number, because 106806025 - 23 = 106806017 is a prime.

It is a super-2 number, since 2×1068060252 = 22815053952601250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106805984 and 106806002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80316 + ... + 81634.

It is an arithmetic number, because the mean of its divisors is an integer number (5728800).

Almost surely, 2106806025 is an apocalyptic number.

It is an amenable number.

106806025 is a deficient number, since it is larger than the sum of its proper divisors (30685175).

106806025 is a wasteful number, since it uses less digits than its factorization.

106806025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449 (or 1444 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 106806025 is about 10334.7000440264. The cubic root of 106806025 is about 474.4588851870.

The spelling of 106806025 in words is "one hundred six million, eight hundred six thousand, twenty-five".

Divisors: 1 5 25 41 79 205 395 1025 1319 1975 3239 6595 16195 32975 54079 80975 104201 270395 521005 1351975 2605025 4272241 21361205 106806025