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106232431 = 112394597
BaseRepresentation
bin1100101010011…
…11101001101111
321101220011111111
412111033221233
5204143414211
614312532451
72426650354
oct625175157
9241804444
10106232431
1154a68aa8
122b6b1127
1319016536
141017462b
1594d6421
hex654fa6f

106232431 has 4 divisors (see below), whose sum is σ = 106328152. Its totient is φ = 106136712.

The previous prime is 106232429. The next prime is 106232437. The reversal of 106232431 is 134232601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134232601 = 1056712703.

It is a cyclic number.

It is not a de Polignac number, because 106232431 - 21 = 106232429 is a prime.

It is a super-2 number, since 2×1062324312 = 22570658792339522, 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 (106232437) 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 3 ways as a sum of consecutive naturals, for example, 46176 + ... + 48421.

It is an arithmetic number, because the mean of its divisors is an integer number (26582038).

Almost surely, 2106232431 is an apocalyptic number.

106232431 is a deficient number, since it is larger than the sum of its proper divisors (95721).

106232431 is an equidigital number, since it uses as much as digits as its factorization.

106232431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95720.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 106232431 is about 10306.9118071321. The cubic root of 106232431 is about 473.6080111842.

The spelling of 106232431 in words is "one hundred six million, two hundred thirty-two thousand, four hundred thirty-one".

Divisors: 1 1123 94597 106232431