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106789457 = 181589997
BaseRepresentation
bin1100101110101…
…11101001010001
321102221110121002
412113113221101
5204314230312
614332511345
72434460345
oct627275121
9242843532
10106789457
1155309555
122b91b555
131917cc38
141027b625
1595964c2
hex65d7a51

106789457 has 4 divisors (see below), whose sum is σ = 107379636. Its totient is φ = 106199280.

The previous prime is 106789433. The next prime is 106789477. The reversal of 106789457 is 754987601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17505856 + 89283601 = 4184^2 + 9449^2 .

It is a cyclic number.

It is not a de Polignac number, because 106789457 - 210 = 106788433 is a prime.

It is a super-2 number, since 2×1067894572 = 22807976252709698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106789477) 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, 294818 + ... + 295179.

It is an arithmetic number, because the mean of its divisors is an integer number (26844909).

Almost surely, 2106789457 is an apocalyptic number.

It is an amenable number.

106789457 is a deficient number, since it is larger than the sum of its proper divisors (590179).

106789457 is an equidigital number, since it uses as much as digits as its factorization.

106789457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590178.

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 106789457 is about 10333.8984415370. The cubic root of 106789457 is about 474.4343508617.

The spelling of 106789457 in words is "one hundred six million, seven hundred eighty-nine thousand, four hundred fifty-seven".

Divisors: 1 181 589997 106789457