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124043089 = 432884723
BaseRepresentation
bin1110110010010…
…11111101010001
322122102001010111
413121023331101
5223223334324
620150401321
73034230442
oct731137521
9278361114
10124043089
1164023455
1235660241
131c9112a1
141268d2c9
15ad53794
hex764bf51

124043089 has 4 divisors (see below), whose sum is σ = 126927856. Its totient is φ = 121158324.

The previous prime is 124043083. The next prime is 124043099. The reversal of 124043089 is 980340421.

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: 980340421 = 1543635347.

It is a cyclic number.

It is not a de Polignac number, because 124043089 - 29 = 124042577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124043089.

It is not an unprimeable number, because it can be changed into a prime (124043083) 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, 1442319 + ... + 1442404.

It is an arithmetic number, because the mean of its divisors is an integer number (31731964).

Almost surely, 2124043089 is an apocalyptic number.

It is an amenable number.

124043089 is a deficient number, since it is larger than the sum of its proper divisors (2884767).

124043089 is an equidigital number, since it uses as much as digits as its factorization.

124043089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2884766.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 124043089 is about 11137.4633108262. The cubic root of 124043089 is about 498.7208490028.

The spelling of 124043089 in words is "one hundred twenty-four million, forty-three thousand, eighty-nine".

Divisors: 1 43 2884723 124043089