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106321429 = 671586887
BaseRepresentation
bin1100101011001…
…01011000010101
321102001200120201
412111211120111
5204204241204
614314500501
72430501004
oct625453025
9242050521
10106321429
1155019955
122b734731
1319047bb6
1410198c3b
1595029a4
hex6565615

106321429 has 4 divisors (see below), whose sum is σ = 107908384. Its totient is φ = 104734476.

The previous prime is 106321403. The next prime is 106321459. The reversal of 106321429 is 924123601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 924123601 = 2340179287.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-106321429 is a prime.

It is a super-2 number, since 2×1063214292 = 22608492529204082, 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 = 106321397 and 106321406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106321459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 793377 + ... + 793510.

It is an arithmetic number, because the mean of its divisors is an integer number (26977096).

Almost surely, 2106321429 is an apocalyptic number.

It is an amenable number.

106321429 is a deficient number, since it is larger than the sum of its proper divisors (1586955).

106321429 is an equidigital number, since it uses as much as digits as its factorization.

106321429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586954.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 106321429 is about 10311.2282973465. The cubic root of 106321429 is about 473.7402319514.

The spelling of 106321429 in words is "one hundred six million, three hundred twenty-one thousand, four hundred twenty-nine".

Divisors: 1 67 1586887 106321429