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302040213 = 3374363281
BaseRepresentation
bin10010000000001…
…100010010010101
3210001100020021120
4102000030102111
51104310241323
645545434153
710325204466
oct2200142225
9701306246
10302040213
11145548312
128519b959
134a763627
142c184d6d
151b7b35e3
hex1200c495

302040213 has 16 divisors (see below), whose sum is σ = 423230016. Its totient is φ = 191358720.

The previous prime is 302040143. The next prime is 302040229. The reversal of 302040213 is 312040203.

It is not a de Polignac number, because 302040213 - 220 = 300991637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 302040192 and 302040201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302040253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26868 + ... + 36413.

It is an arithmetic number, because the mean of its divisors is an integer number (26451876).

Almost surely, 2302040213 is an apocalyptic number.

It is an amenable number.

302040213 is a deficient number, since it is larger than the sum of its proper divisors (121189803).

302040213 is a wasteful number, since it uses less digits than its factorization.

302040213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63364.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 302040213 is about 17379.3041575317. The cubic root of 302040213 is about 670.9470626909.

Adding to 302040213 its reverse (312040203), we get a palindrome (614080416).

It can be divided in two parts, 302040 and 213, that added together give a triangular number (302253 = T777).

The spelling of 302040213 in words is "three hundred two million, forty thousand, two hundred thirteen".

Divisors: 1 3 37 43 111 129 1591 4773 63281 189843 2341397 2721083 7024191 8163249 100680071 302040213