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3180089 = 11289099
BaseRepresentation
bin1100001000011000111001
312222120021002
430020120321
51303230324
6152054345
736013253
oct14103071
95876232
103180089
111882280
1210943b5
13874613
145cacd3
1542c3ae
hex308639

3180089 has 4 divisors (see below), whose sum is σ = 3469200. Its totient is φ = 2890980.

The previous prime is 3180031. The next prime is 3180101. The reversal of 3180089 is 9800813.

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.

It is a cyclic number.

It is not a de Polignac number, because 3180089 - 220 = 2131513 is a prime.

It is a super-2 number, since 2×31800892 = 20225932095842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3180029) 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, 144539 + ... + 144560.

It is an arithmetic number, because the mean of its divisors is an integer number (867300).

Almost surely, 23180089 is an apocalyptic number.

It is an amenable number.

3180089 is a deficient number, since it is larger than the sum of its proper divisors (289111).

3180089 is a wasteful number, since it uses less digits than its factorization.

3180089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289110.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 3180089 is about 1783.2804041990. The cubic root of 3180089 is about 147.0549873729.

The spelling of 3180089 in words is "three million, one hundred eighty thousand, eighty-nine".

Divisors: 1 11 289099 3180089