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60069889 = 115460899
BaseRepresentation
bin1110010100100…
…1100000000001
311012000212101201
43211021200001
5110334214024
65543301201
71326404605
oct345114001
9135025351
1060069889
11309a9440
121814a801
13c5a2a19
147d99505
155418744
hex3949801

60069889 has 4 divisors (see below), whose sum is σ = 65530800. Its totient is φ = 54608980.

The previous prime is 60069881. The next prime is 60069917. The reversal of 60069889 is 98896006.

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 60069889 - 23 = 60069881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60069881) 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, 2730439 + ... + 2730460.

It is an arithmetic number, because the mean of its divisors is an integer number (16382700).

Almost surely, 260069889 is an apocalyptic number.

It is an amenable number.

60069889 is a deficient number, since it is larger than the sum of its proper divisors (5460911).

60069889 is a wasteful number, since it uses less digits than its factorization.

60069889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5460910.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 60069889 is about 7750.4766950169. The cubic root of 60069889 is about 391.6387085722.

The spelling of 60069889 in words is "sixty million, sixty-nine thousand, eight hundred eighty-nine".

Divisors: 1 11 5460899 60069889