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130240889 = 314201319
BaseRepresentation
bin1111100001101…
…01000101111001
3100002001220220122
413300311011321
5231320202024
620531303025
73141013022
oct760650571
9302056818
10130240889
11675769a9
123774aa75
1320ca131c
1413423c49
15b679d5e
hex7c35179

130240889 has 4 divisors (see below), whose sum is σ = 134442240. Its totient is φ = 126039540.

The previous prime is 130240853. The next prime is 130240921. The reversal of 130240889 is 988042031.

It is a happy number.

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: 988042031 = 1103895777.

It is a cyclic number.

It is not a de Polignac number, because 130240889 - 28 = 130240633 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130240829) 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, 2100629 + ... + 2100690.

It is an arithmetic number, because the mean of its divisors is an integer number (33610560).

Almost surely, 2130240889 is an apocalyptic number.

It is an amenable number.

130240889 is a deficient number, since it is larger than the sum of its proper divisors (4201351).

130240889 is an equidigital number, since it uses as much as digits as its factorization.

130240889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4201350.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 130240889 is about 11412.3130433756. The cubic root of 130240889 is about 506.8924049411.

The spelling of 130240889 in words is "one hundred thirty million, two hundred forty thousand, eight hundred eighty-nine".

Divisors: 1 31 4201319 130240889