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213004302 = 2375239697
BaseRepresentation
bin11001011001000…
…11000000001110
3112211210201222020
430230203000032
5414012114202
633045231010
75164335540
oct1454430016
9484721866
10213004302
11aa265315
125b402466
133518b464
1420409690
1513a775bc
hexcb2300e

213004302 has 32 divisors (see below), whose sum is σ = 487848192. Its totient is φ = 60735744.

The previous prime is 213004277. The next prime is 213004313. The reversal of 213004302 is 203400312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17118 + ... + 26814.

It is an arithmetic number, because the mean of its divisors is an integer number (15245256).

Almost surely, 2213004302 is an apocalyptic number.

213004302 is an abundant number, since it is smaller than the sum of its proper divisors (274843890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213004302 is a wasteful number, since it uses less digits than its factorization.

213004302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10232.

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

The square root of 213004302 is about 14594.6669026737. Note that the first 3 decimals coincide. The cubic root of 213004302 is about 597.2132826038.

Adding to 213004302 its reverse (203400312), we get a palindrome (416404614).

The spelling of 213004302 in words is "two hundred thirteen million, four thousand, three hundred two".

Divisors: 1 2 3 6 7 14 21 42 523 1046 1569 3138 3661 7322 9697 10983 19394 21966 29091 58182 67879 135758 203637 407274 5071531 10143062 15214593 30429186 35500717 71001434 106502151 213004302