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30206486 = 215796199
BaseRepresentation
bin111001100111…
…0101000010110
32002211122111202
41303032220112
530213101421
62555232502
7514515362
oct163165026
962748452
1030206486
1116061642
12a148732
136347c7b
1440242a2
1529ba10b
hex1ccea16

30206486 has 8 divisors (see below), whose sum is σ = 45598800. Its totient is φ = 15006888.

The previous prime is 30206461. The next prime is 30206509. The reversal of 30206486 is 68460203.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47786 + ... + 48413.

It is an arithmetic number, because the mean of its divisors is an integer number (5699850).

Almost surely, 230206486 is an apocalyptic number.

30206486 is a deficient number, since it is larger than the sum of its proper divisors (15392314).

30206486 is a wasteful number, since it uses less digits than its factorization.

30206486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96358.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 30206486 is about 5496.0427582034. The cubic root of 30206486 is about 311.4345101492.

Adding to 30206486 its reverse (68460203), we get a palindrome (98666689).

The spelling of 30206486 in words is "thirty million, two hundred six thousand, four hundred eighty-six".

Divisors: 1 2 157 314 96199 192398 15103243 30206486