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106306431 = 37211292267
BaseRepresentation
bin1100101011000…
…01101101111111
321102000221000020
412111201231333
5204203301211
614314303223
72430406200
oct625415577
9242027006
10106306431
1155009660
122b727b13
131904111a
14101935a7
1594ed306
hex6561b7f

106306431 has 48 divisors (see below), whose sum is σ = 186157440. Its totient is φ = 53296320.

The previous prime is 106306367. The next prime is 106306451. The reversal of 106306431 is 134603601.

It is not a de Polignac number, because 106306431 - 26 = 106306367 is a prime.

It is a super-2 number, since 2×1063064312 = 22602114543915522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106306451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45760 + ... + 48026.

It is an arithmetic number, because the mean of its divisors is an integer number (3878280).

Almost surely, 2106306431 is an apocalyptic number.

106306431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

106306431 is a deficient number, since it is larger than the sum of its proper divisors (79851009).

106306431 is a wasteful number, since it uses less digits than its factorization.

106306431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324 (or 2317 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 106306431 is about 10310.5010062557. The cubic root of 106306431 is about 473.7179551938.

The spelling of 106306431 in words is "one hundred six million, three hundred six thousand, four hundred thirty-one".

Divisors: 1 3 7 11 21 29 33 49 77 87 147 203 231 319 539 609 957 1421 1617 2233 2267 4263 6699 6801 15631 15869 24937 46893 47607 65743 74811 111083 174559 197229 333249 460201 523677 723173 1221913 1380603 2169519 3221407 3665739 5062211 9664221 15186633 35435477 106306431