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106507439 = 183158169
BaseRepresentation
bin1100101100100…
…10110010101111
321102102010201222
412112102302233
5204231214224
614322453555
72432204213
oct626226257
9242363658
10106507439
1155136685
122b8042bb
13190b176c
1410206943
15953cb5e
hex6592caf

106507439 has 4 divisors (see below), whose sum is σ = 106567440. Its totient is φ = 106447440.

The previous prime is 106507409. The next prime is 106507441. The reversal of 106507439 is 934705601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 934705601 = 1795221819.

It is a cyclic number.

It is not a de Polignac number, because 106507439 - 28 = 106507183 is a prime.

It is a super-2 number, since 2×1065074392 = 22687669124677442, which contains 22 as substring.

It is a Duffinian number.

106507439 is a Rhonda number in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 106507399 and 106507408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106507409) 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, 27254 + ... + 30915.

It is an arithmetic number, because the mean of its divisors is an integer number (26641860).

Almost surely, 2106507439 is an apocalyptic number.

106507439 is a deficient number, since it is larger than the sum of its proper divisors (60001).

106507439 is an equidigital number, since it uses as much as digits as its factorization.

106507439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60000.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 106507439 is about 10320.2441347092. The cubic root of 106507439 is about 474.0163414877.

The spelling of 106507439 in words is "one hundred six million, five hundred seven thousand, four hundred thirty-nine".

Divisors: 1 1831 58169 106507439