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230084309 = 7132528399
BaseRepresentation
bin11011011011011…
…00111011010101
3121000221111100002
431231230323111
5432400144214
634455301045
75462453510
oct1555547325
9530844302
10230084309
11108970824
126507a785
133888b780
14227b3d77
15152ed1de
hexdb6ced5

230084309 has 8 divisors (see below), whose sum is σ = 283180800. Its totient is φ = 182044656.

The previous prime is 230084303. The next prime is 230084321. The reversal of 230084309 is 903480032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230084309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230084303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1264109 + ... + 1264290.

It is an arithmetic number, because the mean of its divisors is an integer number (35397600).

Almost surely, 2230084309 is an apocalyptic number.

It is an amenable number.

230084309 is a deficient number, since it is larger than the sum of its proper divisors (53096491).

230084309 is a wasteful number, since it uses less digits than its factorization.

230084309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528419.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 230084309 is about 15168.5302188445. The cubic root of 230084309 is about 612.7674214175.

The spelling of 230084309 in words is "two hundred thirty million, eighty-four thousand, three hundred nine".

Divisors: 1 7 13 91 2528399 17698793 32869187 230084309