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123003089 = 114753672
BaseRepresentation
bin1110101010011…
…10000011010001
322120110012111222
413111032003101
5222442044324
620112214425
73022336406
oct725160321
9276405458
10123003089
1163483050
123523a415
131c638ac1
141249c2ad
15abea55e
hex754e0d1

123003089 has 24 divisors (see below), whose sum is σ = 141740928. Its totient is φ = 105774240.

The previous prime is 123003061. The next prime is 123003217. The reversal of 123003089 is 980300321.

It is a de Polignac number, because none of the positive numbers 2k-123003089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123003689) 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 23 ways as a sum of consecutive naturals, for example, 1835834 + ... + 1835900.

It is an arithmetic number, because the mean of its divisors is an integer number (5905872).

Almost surely, 2123003089 is an apocalyptic number.

It is an amenable number.

123003089 is a deficient number, since it is larger than the sum of its proper divisors (18737839).

123003089 is an equidigital number, since it uses as much as digits as its factorization.

123003089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 123003089 is about 11090.6757684101. The cubic root of 123003089 is about 497.3231464853.

The spelling of 123003089 in words is "one hundred twenty-three million, three thousand, eighty-nine".

Divisors: 1 11 47 53 67 517 583 737 2491 3149 3551 4489 27401 34639 39061 49379 166897 210983 237917 1835867 2320813 2617087 11182099 123003089