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107526989 = 176325117
BaseRepresentation
bin1100110100010…
…11101101001101
321111022221022002
412122023231031
5210011330424
614400402045
72443651523
oct632135515
9244287262
10107526989
1155772689
1230016325
131937a84b
14103d0313
15968ecae
hex668bb4d

107526989 has 4 divisors (see below), whose sum is σ = 113852124. Its totient is φ = 101201856.

The previous prime is 107526971. The next prime is 107526997. The reversal of 107526989 is 989625701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 989625701 = 2497139631.

It can be written as a sum of positive squares in 2 ways, for example, as 76912900 + 30614089 = 8770^2 + 5533^2 .

It is a cyclic number.

It is not a de Polignac number, because 107526989 - 212 = 107522893 is a prime.

It is a super-2 number, since 2×1075269892 = 23124106726812242, 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 (107526919) 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, 3162542 + ... + 3162575.

It is an arithmetic number, because the mean of its divisors is an integer number (28463031).

Almost surely, 2107526989 is an apocalyptic number.

It is an amenable number.

107526989 is a deficient number, since it is larger than the sum of its proper divisors (6325135).

107526989 is an equidigital number, since it uses as much as digits as its factorization.

107526989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6325134.

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 107526989 is about 10369.5221201365. The cubic root of 107526989 is about 475.5240590907.

The spelling of 107526989 in words is "one hundred seven million, five hundred twenty-six thousand, nine hundred eighty-nine".

Divisors: 1 17 6325117 107526989