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108027289 = 591830971
BaseRepresentation
bin1100111000001…
…01110110011001
321112021100120201
412130011312121
5210123333124
614415222201
72451134236
oct634056631
9245240521
10108027289
1155a84557
1230217961
13194c4496
14104c078d
15973d144
hex6705d99

108027289 has 4 divisors (see below), whose sum is σ = 109858320. Its totient is φ = 106196260.

The previous prime is 108027287. The next prime is 108027313. The reversal of 108027289 is 982720801.

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: 982720801 = 3131700671.

It is a cyclic number.

It is not a de Polignac number, because 108027289 - 21 = 108027287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108027287) 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, 915427 + ... + 915544.

It is an arithmetic number, because the mean of its divisors is an integer number (27464580).

Almost surely, 2108027289 is an apocalyptic number.

It is an amenable number.

108027289 is a deficient number, since it is larger than the sum of its proper divisors (1831031).

108027289 is an equidigital number, since it uses as much as digits as its factorization.

108027289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831030.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 108027289 is about 10393.6177051112. The cubic root of 108027289 is about 476.2604220157.

The spelling of 108027289 in words is "one hundred eight million, twenty-seven thousand, two hundred eighty-nine".

Divisors: 1 59 1830971 108027289